]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/Article.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / Article.php
diff --git a/includes/Article.php b/includes/Article.php
deleted file mode 100644 (file)
index 3d9c214..0000000
+++ /dev/null
@@ -1,3565 +0,0 @@
-<?php
-/**
- * File for articles
- * @file
- */
-
-/**
- * Class representing a MediaWiki article and history.
- *
- * See design.txt for an overview.
- * Note: edit user interface and cache support functions have been
- * moved to separate EditPage and HTMLFileCache classes.
- *
- */
-class Article {
-       /**@{{
-        * @private
-        */
-       var $mComment = '';               //!<
-       var $mContent;                    //!<
-       var $mContentLoaded = false;      //!<
-       var $mCounter = -1;               //!< Not loaded
-       var $mCurID = -1;                 //!< Not loaded
-       var $mDataLoaded = false;         //!<
-       var $mForUpdate = false;          //!<
-       var $mGoodAdjustment = 0;         //!<
-       var $mIsRedirect = false;         //!<
-       var $mLatest = false;             //!<
-       var $mMinorEdit;                  //!<
-       var $mOldId;                      //!<
-       var $mPreparedEdit = false;       //!< Title object if set
-       var $mRedirectedFrom = null;      //!< Title object if set
-       var $mRedirectTarget = null;      //!< Title object if set
-       var $mRedirectUrl = false;        //!<
-       var $mRevIdFetched = 0;           //!<
-       var $mRevision;                   //!<
-       var $mTimestamp = '';             //!<
-       var $mTitle;                      //!<
-       var $mTotalAdjustment = 0;        //!<
-       var $mTouched = '19700101000000'; //!<
-       var $mUser = -1;                  //!< Not loaded
-       var $mUserText = '';              //!<
-       /**@}}*/
-
-       /**
-        * Constructor and clear the article
-        * @param $title Reference to a Title object.
-        * @param $oldId Integer revision ID, null to fetch from request, zero for current
-        */
-       public function __construct( Title $title, $oldId = null ) {
-               $this->mTitle =& $title;
-               $this->mOldId = $oldId;
-       }
-
-       /**
-        * Constructor from an article article
-        * @param $id The article ID to load
-        */
-       public static function newFromID( $id ) {
-               $t = Title::newFromID( $id );
-               return $t == null ? null : new Article( $t );
-       }
-
-       /**
-        * Tell the page view functions that this view was redirected
-        * from another page on the wiki.
-        * @param $from Title object.
-        */
-       public function setRedirectedFrom( $from ) {
-               $this->mRedirectedFrom = $from;
-       }
-
-       /**
-        * If this page is a redirect, get its target
-        *
-        * The target will be fetched from the redirect table if possible.
-        * If this page doesn't have an entry there, call insertRedirect()
-        * @return mixed Title object, or null if this page is not a redirect
-        */
-       public function getRedirectTarget() {
-               if( !$this->mTitle || !$this->mTitle->isRedirect() )
-                       return null;
-               if( !is_null($this->mRedirectTarget) )
-                       return $this->mRedirectTarget;
-               # Query the redirect table
-               $dbr = wfGetDB( DB_SLAVE );
-               $res = $dbr->select( 'redirect',
-                       array('rd_namespace', 'rd_title'),
-                       array('rd_from' => $this->getID()),
-                       __METHOD__
-               );
-               if( $row = $dbr->fetchObject($res) ) {
-                       return $this->mRedirectTarget = Title::makeTitle($row->rd_namespace, $row->rd_title);
-               }
-               # This page doesn't have an entry in the redirect table
-               return $this->mRedirectTarget = $this->insertRedirect();
-       }
-
-       /**
-        * Insert an entry for this page into the redirect table.
-        *
-        * Don't call this function directly unless you know what you're doing.
-        * @return Title object
-        */
-       public function insertRedirect() {
-               $retval = Title::newFromRedirect( $this->getContent() );
-               if( !$retval ) {
-                       return null;
-               }
-               $dbw = wfGetDB( DB_MASTER );
-               $dbw->replace( 'redirect', array('rd_from'), 
-                       array(
-                               'rd_from' => $this->getID(),
-                               'rd_namespace' => $retval->getNamespace(),
-                               'rd_title' => $retval->getDBKey()
-                       ),
-                       __METHOD__
-               );
-               return $retval;
-       }
-
-       /**
-        * Get the Title object this page redirects to
-        *
-        * @return mixed false, Title of in-wiki target, or string with URL
-        */
-       public function followRedirect() {
-               $text = $this->getContent();
-               return $this->followRedirectText( $text );
-       }
-
-       /**
-        * Get the Title object this text redirects to
-        *
-        * @return mixed false, Title of in-wiki target, or string with URL
-        */
-       public function followRedirectText( $text ) {
-               $rt = Title::newFromRedirect( $text );
-               # process if title object is valid and not special:userlogout
-               if( $rt ) {
-                       if( $rt->getInterwiki() != '' ) {
-                               if( $rt->isLocal() ) {
-                                       // Offsite wikis need an HTTP redirect.
-                                       //
-                                       // This can be hard to reverse and may produce loops,
-                                       // so they may be disabled in the site configuration.
-                                       $source = $this->mTitle->getFullURL( 'redirect=no' );
-                                       return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
-                               }
-                       } else {
-                               if( $rt->getNamespace() == NS_SPECIAL ) {
-                                       // Gotta handle redirects to special pages differently:
-                                       // Fill the HTTP response "Location" header and ignore
-                                       // the rest of the page we're on.
-                                       //
-                                       // This can be hard to reverse, so they may be disabled.
-                                       if( $rt->isSpecial( 'Userlogout' ) ) {
-                                               // rolleyes
-                                       } else {
-                                               return $rt->getFullURL();
-                                       }
-                               }
-                               return $rt;
-                       }
-               }
-               // No or invalid redirect
-               return false;
-       }
-
-       /**
-        * get the title object of the article
-        */
-       public function getTitle() {
-               return $this->mTitle;
-       }
-
-       /**
-        * Clear the object
-        * @private
-        */
-       public function clear() {
-               $this->mDataLoaded    = false;
-               $this->mContentLoaded = false;
-
-               $this->mCurID = $this->mUser = $this->mCounter = -1; # Not loaded
-               $this->mRedirectedFrom = null; # Title object if set
-               $this->mRedirectTarget = null; # Title object if set
-               $this->mUserText =
-               $this->mTimestamp = $this->mComment = '';
-               $this->mGoodAdjustment = $this->mTotalAdjustment = 0;
-               $this->mTouched = '19700101000000';
-               $this->mForUpdate = false;
-               $this->mIsRedirect = false;
-               $this->mRevIdFetched = 0;
-               $this->mRedirectUrl = false;
-               $this->mLatest = false;
-               $this->mPreparedEdit = false;
-       }
-
-       /**
-        * Note that getContent/loadContent do not follow redirects anymore.
-        * If you need to fetch redirectable content easily, try
-        * the shortcut in Article::followContent()
-        *
-        * @return Return the text of this revision
-       */
-       public function getContent() {
-               global $wgUser, $wgContLang, $wgOut, $wgMessageCache;
-               wfProfileIn( __METHOD__ );
-               if( $this->getID() === 0 ) {
-                       # If this is a MediaWiki:x message, then load the messages
-                       # and return the message value for x.
-                       if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
-                               # If this is a system message, get the default text.
-                               list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle->getText() ) );
-                               $wgMessageCache->loadAllMessages( $lang );
-                               $text = wfMsgGetKey( $message, false, $lang, false );
-                               if( wfEmptyMsg( $message, $text ) )
-                                       $text = '';
-                       } else {
-                               $text = wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' );
-                       }
-                       wfProfileOut( __METHOD__ );
-                       return $text;
-               } else {
-                       $this->loadContent();
-                       wfProfileOut( __METHOD__ );
-                       return $this->mContent;
-               }
-       }
-
-       /**
-        * This function returns the text of a section, specified by a number ($section).
-        * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
-        * the first section before any such heading (section 0).
-        *
-        * If a section contains subsections, these are also returned.
-        *
-        * @param $text String: text to look in
-        * @param $section Integer: section number
-        * @return string text of the requested section
-        * @deprecated
-        */
-       public function getSection( $text, $section ) {
-               global $wgParser;
-               return $wgParser->getSection( $text, $section );
-       }
-
-       /**
-        * @return int The oldid of the article that is to be shown, 0 for the
-        *             current revision
-        */
-       public function getOldID() {
-               if( is_null( $this->mOldId ) ) {
-                       $this->mOldId = $this->getOldIDFromRequest();
-               }
-               return $this->mOldId;
-       }
-
-       /**
-        * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
-        *
-        * @return int The old id for the request
-        */
-       public function getOldIDFromRequest() {
-               global $wgRequest;
-               $this->mRedirectUrl = false;
-               $oldid = $wgRequest->getVal( 'oldid' );
-               if( isset( $oldid ) ) {
-                       $oldid = intval( $oldid );
-                       if( $wgRequest->getVal( 'direction' ) == 'next' ) {
-                               $nextid = $this->mTitle->getNextRevisionID( $oldid );
-                               if( $nextid  ) {
-                                       $oldid = $nextid;
-                               } else {
-                                       $this->mRedirectUrl = $this->mTitle->getFullURL( 'redirect=no' );
-                               }
-                       } elseif( $wgRequest->getVal( 'direction' ) == 'prev' ) {
-                               $previd = $this->mTitle->getPreviousRevisionID( $oldid );
-                               if( $previd ) {
-                                       $oldid = $previd;
-                               }
-                       }
-               }
-               if( !$oldid ) {
-                       $oldid = 0;
-               }
-               return $oldid;
-       }
-
-       /**
-        * Load the revision (including text) into this object
-        */
-       function loadContent() {
-               if( $this->mContentLoaded ) return;
-               wfProfileIn( __METHOD__ );
-               # Query variables :P
-               $oldid = $this->getOldID();
-               # Pre-fill content with error message so that if something
-               # fails we'll have something telling us what we intended.
-               $this->mOldId = $oldid;
-               $this->fetchContent( $oldid );
-               wfProfileOut( __METHOD__ );
-       }
-
-
-       /**
-        * Fetch a page record with the given conditions
-        * @param $dbr Database object
-        * @param $conditions Array
-        */
-       protected function pageData( $dbr, $conditions ) {
-               $fields = array(
-                               'page_id',
-                               'page_namespace',
-                               'page_title',
-                               'page_restrictions',
-                               'page_counter',
-                               'page_is_redirect',
-                               'page_is_new',
-                               'page_random',
-                               'page_touched',
-                               'page_latest',
-                               'page_len',
-               );
-               wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
-               $row = $dbr->selectRow(
-                       'page',
-                       $fields,
-                       $conditions,
-                       __METHOD__
-               );
-               wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
-               return $row ;
-       }
-
-       /**
-        * @param $dbr Database object
-        * @param $title Title object
-        */
-       public function pageDataFromTitle( $dbr, $title ) {
-               return $this->pageData( $dbr, array(
-                       'page_namespace' => $title->getNamespace(),
-                       'page_title'     => $title->getDBkey() ) );
-       }
-
-       /**
-        * @param $dbr Database
-        * @param $id Integer
-        */
-       protected function pageDataFromId( $dbr, $id ) {
-               return $this->pageData( $dbr, array( 'page_id' => $id ) );
-       }
-
-       /**
-        * Set the general counter, title etc data loaded from
-        * some source.
-        *
-        * @param $data Database row object or "fromdb"
-        */
-       public function loadPageData( $data = 'fromdb' ) {
-               if( $data === 'fromdb' ) {
-                       $dbr = wfGetDB( DB_MASTER );
-                       $data = $this->pageDataFromId( $dbr, $this->getId() );
-               }
-
-               $lc = LinkCache::singleton();
-               if( $data ) {
-                       $lc->addGoodLinkObj( $data->page_id, $this->mTitle, $data->page_len, $data->page_is_redirect );
-
-                       $this->mTitle->mArticleID = $data->page_id;
-
-                       # Old-fashioned restrictions
-                       $this->mTitle->loadRestrictions( $data->page_restrictions );
-
-                       $this->mCounter     = $data->page_counter;
-                       $this->mTouched     = wfTimestamp( TS_MW, $data->page_touched );
-                       $this->mIsRedirect  = $data->page_is_redirect;
-                       $this->mLatest      = $data->page_latest;
-               } else {
-                       if( is_object( $this->mTitle ) ) {
-                               $lc->addBadLinkObj( $this->mTitle );
-                       }
-                       $this->mTitle->mArticleID = 0;
-               }
-
-               $this->mDataLoaded  = true;
-       }
-
-       /**
-        * Get text of an article from database
-        * Does *NOT* follow redirects.
-        * @param $oldid Int: 0 for whatever the latest revision is
-        * @return string
-        */
-       function fetchContent( $oldid = 0 ) {
-               if( $this->mContentLoaded ) {
-                       return $this->mContent;
-               }
-
-               $dbr = wfGetDB( DB_MASTER );
-
-               # Pre-fill content with error message so that if something
-               # fails we'll have something telling us what we intended.
-               $t = $this->mTitle->getPrefixedText();
-               $d = $oldid ? wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
-               $this->mContent = wfMsg( 'missing-article', $t, $d ) ;
-
-               if( $oldid ) {
-                       $revision = Revision::newFromId( $oldid );
-                       if( is_null( $revision ) ) {
-                               wfDebug( __METHOD__." failed to retrieve specified revision, id $oldid\n" );
-                               return false;
-                       }
-                       $data = $this->pageDataFromId( $dbr, $revision->getPage() );
-                       if( !$data ) {
-                               wfDebug( __METHOD__." failed to get page data linked to revision id $oldid\n" );
-                               return false;
-                       }
-                       $this->mTitle = Title::makeTitle( $data->page_namespace, $data->page_title );
-                       $this->loadPageData( $data );
-               } else {
-                       if( !$this->mDataLoaded ) {
-                               $data = $this->pageDataFromTitle( $dbr, $this->mTitle );
-                               if( !$data ) {
-                                       wfDebug( __METHOD__." failed to find page data for title " . $this->mTitle->getPrefixedText() . "\n" );
-                                       return false;
-                               }
-                               $this->loadPageData( $data );
-                       }
-                       $revision = Revision::newFromId( $this->mLatest );
-                       if( is_null( $revision ) ) {
-                               wfDebug( __METHOD__." failed to retrieve current page, rev_id {$this->mLatest}\n" );
-                               return false;
-                       }
-               }
-
-               // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
-               // We should instead work with the Revision object when we need it...
-               $this->mContent   = $revision->getText( Revision::FOR_THIS_USER ); // Loads if user is allowed
-
-               $this->mUser      = $revision->getUser();
-               $this->mUserText  = $revision->getUserText();
-               $this->mComment   = $revision->getComment();
-               $this->mTimestamp = wfTimestamp( TS_MW, $revision->getTimestamp() );
-
-               $this->mRevIdFetched = $revision->getId();
-               $this->mContentLoaded = true;
-               $this->mRevision =& $revision;
-
-               wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) ) ;
-
-               return $this->mContent;
-       }
-
-       /**
-        * Read/write accessor to select FOR UPDATE
-        *
-        * @param $x Mixed: FIXME
-        */
-       public function forUpdate( $x = NULL ) {
-               return wfSetVar( $this->mForUpdate, $x );
-       }
-
-       /**
-        * Get the database which should be used for reads
-        *
-        * @return Database
-        * @deprecated - just call wfGetDB( DB_MASTER ) instead
-        */
-       function getDB() {
-               wfDeprecated( __METHOD__ );
-               return wfGetDB( DB_MASTER );
-       }
-
-       /**
-        * Get options for all SELECT statements
-        *
-        * @param $options Array: an optional options array which'll be appended to
-        *                       the default
-        * @return Array: options
-        */
-       protected function getSelectOptions( $options = '' ) {
-               if( $this->mForUpdate ) {
-                       if( is_array( $options ) ) {
-                               $options[] = 'FOR UPDATE';
-                       } else {
-                               $options = 'FOR UPDATE';
-                       }
-               }
-               return $options;
-       }
-
-       /**
-        * @return int Page ID
-        */
-       public function getID() {
-               if( $this->mTitle ) {
-                       return $this->mTitle->getArticleID();
-               } else {
-                       return 0;
-               }
-       }
-
-       /**
-        * @return bool Whether or not the page exists in the database
-        */
-       public function exists() {
-               return $this->getId() > 0;
-       }
-       
-       /**
-        * Check if this page is something we're going to be showing
-        * some sort of sensible content for. If we return false, page
-        * views (plain action=view) will return an HTTP 404 response,
-        * so spiders and robots can know they're following a bad link.
-        *
-        * @return bool
-        */
-       public function hasViewableContent() {
-               return $this->exists() || $this->mTitle->isAlwaysKnown();
-       }
-
-       /**
-        * @return int The view count for the page
-        */
-       public function getCount() {
-               if( -1 == $this->mCounter ) {
-                       $id = $this->getID();
-                       if( $id == 0 ) {
-                               $this->mCounter = 0;
-                       } else {
-                               $dbr = wfGetDB( DB_SLAVE );
-                               $this->mCounter = $dbr->selectField( 'page', 
-                                       'page_counter', 
-                                       array( 'page_id' => $id ), 
-                                       __METHOD__, 
-                                       $this->getSelectOptions()
-                               );
-                       }
-               }
-               return $this->mCounter;
-       }
-
-       /**
-        * Determine whether a page  would be suitable for being counted as an
-        * article in the site_stats table based on the title & its content
-        *
-        * @param $text String: text to analyze
-        * @return bool
-        */
-       public function isCountable( $text ) {
-               global $wgUseCommaCount;
-
-               $token = $wgUseCommaCount ? ',' : '[[';
-               return $this->mTitle->isContentPage() && !$this->isRedirect($text) && in_string($token,$text);
-       }
-
-       /**
-        * Tests if the article text represents a redirect
-        *
-        * @param $text String: FIXME
-        * @return bool
-        */
-       public function isRedirect( $text = false ) {
-               if( $text === false ) {
-                       if( $this->mDataLoaded ) {
-                               return $this->mIsRedirect;
-                       }
-                       // Apparently loadPageData was never called
-                       $this->loadContent();
-                       $titleObj = Title::newFromRedirect( $this->fetchContent() );
-               } else {
-                       $titleObj = Title::newFromRedirect( $text );
-               }
-               return $titleObj !== NULL;
-       }
-
-       /**
-        * Returns true if the currently-referenced revision is the current edit
-        * to this page (and it exists).
-        * @return bool
-        */
-       public function isCurrent() {
-               # If no oldid, this is the current version.
-               if( $this->getOldID() == 0 ) {
-                       return true;
-               }
-               return $this->exists() && isset($this->mRevision) && $this->mRevision->isCurrent();
-       }
-
-       /**
-        * Loads everything except the text
-        * This isn't necessary for all uses, so it's only done if needed.
-        */
-       protected function loadLastEdit() {
-               if( -1 != $this->mUser )
-                       return;
-
-               # New or non-existent articles have no user information
-               $id = $this->getID();
-               if( 0 == $id ) return;
-
-               $this->mLastRevision = Revision::loadFromPageId( wfGetDB( DB_MASTER ), $id );
-               if( !is_null( $this->mLastRevision ) ) {
-                       $this->mUser      = $this->mLastRevision->getUser();
-                       $this->mUserText  = $this->mLastRevision->getUserText();
-                       $this->mTimestamp = $this->mLastRevision->getTimestamp();
-                       $this->mComment   = $this->mLastRevision->getComment();
-                       $this->mMinorEdit = $this->mLastRevision->isMinor();
-                       $this->mRevIdFetched = $this->mLastRevision->getId();
-               }
-       }
-
-       public function getTimestamp() {
-               // Check if the field has been filled by ParserCache::get()
-               if( !$this->mTimestamp ) {
-                       $this->loadLastEdit();
-               }
-               return wfTimestamp(TS_MW, $this->mTimestamp);
-       }
-
-       public function getUser() {
-               $this->loadLastEdit();
-               return $this->mUser;
-       }
-
-       public function getUserText() {
-               $this->loadLastEdit();
-               return $this->mUserText;
-       }
-
-       public function getComment() {
-               $this->loadLastEdit();
-               return $this->mComment;
-       }
-
-       public function getMinorEdit() {
-               $this->loadLastEdit();
-               return $this->mMinorEdit;
-       }
-
-       /* Use this to fetch the rev ID used on page views */
-       public function getRevIdFetched() {
-               $this->loadLastEdit();
-               return $this->mRevIdFetched;
-       }
-
-       /**
-        * @param $limit Integer: default 0.
-        * @param $offset Integer: default 0.
-        */
-       public function getContributors($limit = 0, $offset = 0) {
-               # XXX: this is expensive; cache this info somewhere.
-
-               $contribs = array();
-               $dbr = wfGetDB( DB_SLAVE );
-               $revTable = $dbr->tableName( 'revision' );
-               $userTable = $dbr->tableName( 'user' );
-               $user = $this->getUser();
-               $pageId = $this->getId();
-
-               $sql = "SELECT {$userTable}.*, MAX(rev_timestamp) as timestamp
-                       FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
-                       WHERE rev_page = $pageId
-                       AND rev_user != $user
-                       GROUP BY rev_user, rev_user_text, user_real_name
-                       ORDER BY timestamp DESC";
-
-               if($limit > 0) { $sql .= ' LIMIT '.$limit; }
-               if($offset > 0) { $sql .= ' OFFSET '.$offset; }
-
-               $sql .= ' '. $this->getSelectOptions();
-
-               $res = $dbr->query($sql, __METHOD__ );
-
-               return new UserArrayFromResult( $res );
-       }
-
-       /**
-        * This is the default action of the script: just view the page of
-        * the given title.
-       */
-       public function view() {
-               global $wgUser, $wgOut, $wgRequest, $wgContLang;
-               global $wgEnableParserCache, $wgStylePath, $wgParser;
-               global $wgUseTrackbacks, $wgNamespaceRobotPolicies, $wgArticleRobotPolicies;
-               global $wgDefaultRobotPolicy;
-
-               wfProfileIn( __METHOD__ );
-
-               # Get variables from query string
-               $oldid = $this->getOldID();
-
-               # Try file cache
-               if( $oldid === 0 && $this->checkTouched() ) {
-                       global $wgUseETag;
-                       if( $wgUseETag ) {
-                               $parserCache = ParserCache::singleton();
-                               $wgOut->setETag( $parserCache->getETag($this,$wgUser) );
-                       }
-                       if( $wgOut->checkLastModified( $this->getTouched() ) ) {
-                               wfProfileOut( __METHOD__ );
-                               return;
-                       } else if( $this->tryFileCache() ) {
-                               # tell wgOut that output is taken care of
-                               $wgOut->disable();
-                               $this->viewUpdates();
-                               wfProfileOut( __METHOD__ );
-                               return;
-                       }
-               }
-
-               $ns = $this->mTitle->getNamespace(); # shortcut
-               $sk = $wgUser->getSkin();
-
-               # getOldID may want us to redirect somewhere else
-               if( $this->mRedirectUrl ) {
-                       $wgOut->redirect( $this->mRedirectUrl );
-                       wfProfileOut( __METHOD__ );
-                       return;
-               }
-
-               $diff = $wgRequest->getVal( 'diff' );
-               $rcid = $wgRequest->getVal( 'rcid' );
-               $rdfrom = $wgRequest->getVal( 'rdfrom' );
-               $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
-               $purge = $wgRequest->getVal( 'action' ) == 'purge';
-               $return404 = false;
-
-               $wgOut->setArticleFlag( true );
-
-               # Discourage indexing of printable versions, but encourage following
-               if( $wgOut->isPrintable() ) {
-                       $policy = 'noindex,follow';
-               } elseif( isset( $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()] ) ) {
-                       $policy = $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()];
-               } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
-                       # Honour customised robot policies for this namespace
-                       $policy = $wgNamespaceRobotPolicies[$ns];
-               } else {
-                       $policy = $wgDefaultRobotPolicy;
-               }
-               $wgOut->setRobotPolicy( $policy );
-
-               # If we got diff and oldid in the query, we want to see a
-               # diff page instead of the article.
-
-               if( !is_null( $diff ) ) {
-                       $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
-
-                       $diff = $wgRequest->getVal( 'diff' );
-                       $htmldiff = $wgRequest->getVal( 'htmldiff' , false);
-                       $de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid, $purge, $htmldiff);
-                       // DifferenceEngine directly fetched the revision:
-                       $this->mRevIdFetched = $de->mNewid;
-                       $de->showDiffPage( $diffOnly );
-
-                       // Needed to get the page's current revision
-                       $this->loadPageData();
-                       if( $diff == 0 || $diff == $this->mLatest ) {
-                               # Run view updates for current revision only
-                               $this->viewUpdates();
-                       }
-                       wfProfileOut( __METHOD__ );
-                       return;
-               }
-
-               # Should the parser cache be used?
-               $pcache = $this->useParserCache( $oldid );
-               wfDebug( 'Article::view using parser cache: ' . ($pcache ? 'yes' : 'no' ) . "\n" );
-               if( $wgUser->getOption( 'stubthreshold' ) ) {
-                       wfIncrStats( 'pcache_miss_stub' );
-               }
-
-               $wasRedirected = false;
-               if( isset( $this->mRedirectedFrom ) ) {
-                       // This is an internally redirected page view.
-                       // We'll need a backlink to the source page for navigation.
-                       if( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
-                               $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom, '', 'redirect=no' );
-                               $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
-                               $wgOut->setSubtitle( $s );
-
-                               // Set the fragment if one was specified in the redirect
-                               if( strval( $this->mTitle->getFragment() ) != '' ) {
-                                       $fragment = Xml::escapeJsString( $this->mTitle->getFragmentForURL() );
-                                       $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
-                               }
-                               $wasRedirected = true;
-                       }
-               } elseif( !empty( $rdfrom ) ) {
-                       // This is an externally redirected view, from some other wiki.
-                       // If it was reported from a trusted site, supply a backlink.
-                       global $wgRedirectSources;
-                       if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
-                               $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
-                               $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
-                               $wgOut->setSubtitle( $s );
-                               $wasRedirected = true;
-                       }
-               }
-
-               $outputDone = false;
-               wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$pcache ) );
-               if( $pcache && $wgOut->tryParserCache( $this, $wgUser ) ) {
-                       // Ensure that UI elements requiring revision ID have
-                       // the correct version information.
-                       $wgOut->setRevisionId( $this->mLatest );
-                       $outputDone = true;
-               }
-               # Fetch content and check for errors
-               if( !$outputDone ) {
-                       # If the article does not exist and was deleted, show the log
-                       if( $this->getID() == 0 ) {
-                               $this->showDeletionLog();
-                       }
-                       $text = $this->getContent();
-                       if( $text === false ) {
-                               # Failed to load, replace text with error message
-                               $t = $this->mTitle->getPrefixedText();
-                               if( $oldid ) {
-                                       $d = wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid );
-                                       $text = wfMsg( 'missing-article', $t, $d );
-                               } else {
-                                       $text = wfMsg( 'noarticletext' );
-                               }
-                       }
-                       
-                       # Non-existent pages
-                       if( $this->getID() === 0 ) {
-                               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-                               $text = "<div class='noarticletext'>\n$text\n</div>";
-                               if( !$this->hasViewableContent() ) {
-                                       // If there's no backing content, send a 404 Not Found
-                                       // for better machine handling of broken links.
-                                       $return404 = true;
-                               }
-                       } 
-
-                       if( $return404 ) {
-                               $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
-                       }
-
-                       # Another whitelist check in case oldid is altering the title
-                       if( !$this->mTitle->userCanRead() ) {
-                               $wgOut->loginToUse();
-                               $wgOut->output();
-                               $wgOut->disable();
-                               wfProfileOut( __METHOD__ );
-                               return;
-                       }
-                       
-                       # For ?curid=x urls, disallow indexing
-                       if( $wgRequest->getInt('curid') )
-                               $wgOut->setRobotPolicy( 'noindex,follow' );
-
-                       # We're looking at an old revision
-                       if( !empty( $oldid ) ) {
-                               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-                               if( is_null( $this->mRevision ) ) {
-                                       // FIXME: This would be a nice place to load the 'no such page' text.
-                               } else {
-                                       $this->setOldSubtitle( isset($this->mOldId) ? $this->mOldId : $oldid );
-                                       if( $this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
-                                               if( !$this->mRevision->userCan( Revision::DELETED_TEXT ) ) {
-                                                       $wgOut->addWikiMsg( 'rev-deleted-text-permission' );
-                                                       $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
-                                                       wfProfileOut( __METHOD__ );
-                                                       return;
-                                               } else {
-                                                       $wgOut->addWikiMsg( 'rev-deleted-text-view' );
-                                                       // and we are allowed to see...
-                                               }
-                                       }
-                               }
-                       }
-
-                       $wgOut->setRevisionId( $this->getRevIdFetched() );
-
-                        // Pages containing custom CSS or JavaScript get special treatment
-                       if( $this->mTitle->isCssOrJsPage() || $this->mTitle->isCssJsSubpage() ) {
-                               $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
-                               // Give hooks a chance to customise the output
-                               if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent, $this->mTitle, $wgOut ) ) ) {
-                                       // Wrap the whole lot in a <pre> and don't parse
-                                       $m = array();
-                                       preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m );
-                                       $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
-                                       $wgOut->addHTML( htmlspecialchars( $this->mContent ) );
-                                       $wgOut->addHTML( "\n</pre>\n" );
-                               }
-                       } else if( $rt = Title::newFromRedirect( $text ) ) {
-                               # Don't append the subtitle if this was an old revision
-                               $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
-                               $parseout = $wgParser->parse($text, $this->mTitle, ParserOptions::newFromUser($wgUser));
-                               $wgOut->addParserOutputNoText( $parseout );
-                       } else if( $pcache ) {
-                               # Display content and save to parser cache
-                               $this->outputWikiText( $text );
-                       } else {
-                               # Display content, don't attempt to save to parser cache
-                               # Don't show section-edit links on old revisions... this way lies madness.
-                               if( !$this->isCurrent() ) {
-                                       $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
-                               }
-                               # Display content and don't save to parser cache
-                               # With timing hack -- TS 2006-07-26
-                               $time = -wfTime();
-                               $this->outputWikiText( $text, false );
-                               $time += wfTime();
-
-                               # Timing hack
-                               if( $time > 3 ) {
-                                       wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
-                                               $this->mTitle->getPrefixedDBkey()));
-                               }
-
-                               if( !$this->isCurrent() ) {
-                                       $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
-                               }
-                       }
-               }
-               /* title may have been set from the cache */
-               $t = $wgOut->getPageTitle();
-               if( empty( $t ) ) {
-                       $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
-
-                       # For the main page, overwrite the <title> element with the con-
-                       # tents of 'pagetitle-view-mainpage' instead of the default (if
-                       # that's not empty).
-                       if( $this->mTitle->equals( Title::newMainPage() ) &&
-                       wfMsgForContent( 'pagetitle-view-mainpage' ) !== '' ) {
-                               $wgOut->setHTMLTitle( wfMsgForContent( 'pagetitle-view-mainpage' ) );
-                       }
-               }
-
-               # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
-               if( $ns == NS_USER_TALK && IP::isValid( $this->mTitle->getText() ) ) {
-                       $wgOut->addWikiMsg('anontalkpagetext');
-               }
-
-               # If we have been passed an &rcid= parameter, we want to give the user a
-               # chance to mark this new article as patrolled.
-               if( !empty($rcid) && $this->mTitle->exists() && $this->mTitle->userCan('patrol') ) {
-                       $wgOut->addHTML(
-                               "<div class='patrollink'>" .
-                                       wfMsgHtml( 'markaspatrolledlink',
-                                       $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml('markaspatrolledtext'),
-                                               "action=markpatrolled&rcid=$rcid" )
-                                       ) .
-                               '</div>'
-                        );
-               }
-
-               # Trackbacks
-               if( $wgUseTrackbacks ) {
-                       $this->addTrackbacks();
-               }
-
-               $this->viewUpdates();
-               wfProfileOut( __METHOD__ );
-       }
-       
-       protected function showDeletionLog() {
-               global $wgUser, $wgOut;
-               $loglist = new LogEventsList( $wgUser->getSkin(), $wgOut );
-               $pager = new LogPager( $loglist, 'delete', false, $this->mTitle->getPrefixedText() );
-               if( $pager->getNumRows() > 0 ) {
-                       $pager->mLimit = 10;
-                       $wgOut->addHTML( '<div class="mw-warning-with-logexcerpt">' );
-                       $wgOut->addWikiMsg( 'deleted-notice' );
-                       $wgOut->addHTML(
-                               $loglist->beginLogEventsList() .
-                               $pager->getBody() .
-                               $loglist->endLogEventsList()
-                       );
-                       if( $pager->getNumRows() > 10 ) {
-                               $wgOut->addHTML( $wgUser->getSkin()->link(
-                                       SpecialPage::getTitleFor( 'Log' ),
-                                       wfMsgHtml( 'deletelog-fulllog' ),
-                                       array(),
-                                       array( 'type' => 'delete', 'page' => $this->mTitle->getPrefixedText() ) 
-                               ) );
-                       }
-                       $wgOut->addHTML( '</div>' );
-               }
-       }
-
-       /*
-       * Should the parser cache be used?
-       */
-       protected function useParserCache( $oldid ) {
-               global $wgUser, $wgEnableParserCache;
-
-               return $wgEnableParserCache
-                       && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0
-                       && $this->exists()
-                       && empty( $oldid )
-                       && !$this->mTitle->isCssOrJsPage()
-                       && !$this->mTitle->isCssJsSubpage();
-       }
-
-       /**
-        * View redirect
-        * @param $target Title object of destination to redirect
-        * @param $appendSubtitle Boolean [optional]
-        * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
-        */
-       public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
-               global $wgParser, $wgOut, $wgContLang, $wgStylePath, $wgUser;
-               # Display redirect
-               $imageDir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
-               $imageUrl = $wgStylePath.'/common/images/redirect' . $imageDir . '.png';
-
-               if( $appendSubtitle ) {
-                       $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
-               }
-               $sk = $wgUser->getSkin();
-               if( $forceKnown ) {
-                       $link = $sk->makeKnownLinkObj( $target, htmlspecialchars( $target->getFullText() ) );
-               } else {
-                       $link = $sk->makeLinkObj( $target, htmlspecialchars( $target->getFullText() ) );
-               }
-               return '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
-                       '<span class="redirectText">'.$link.'</span>';
-
-       }
-
-       public function addTrackbacks() {
-               global $wgOut, $wgUser;
-               $dbr = wfGetDB( DB_SLAVE );
-               $tbs = $dbr->select( 'trackbacks',
-                       array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
-                       array('tb_page' => $this->getID() )
-               );
-               if( !$dbr->numRows($tbs) ) return;
-
-               $tbtext = "";
-               while( $o = $dbr->fetchObject($tbs) ) {
-                       $rmvtxt = "";
-                       if( $wgUser->isAllowed( 'trackback' ) ) {
-                               $delurl = $this->mTitle->getFullURL("action=deletetrackback&tbid=" .
-                                       $o->tb_id . "&token=" . urlencode( $wgUser->editToken() ) );
-                               $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
-                       }
-                       $tbtext .= "\n";
-                       $tbtext .= wfMsg(strlen($o->tb_ex) ? 'trackbackexcerpt' : 'trackback',
-                                       $o->tb_title,
-                                       $o->tb_url,
-                                       $o->tb_ex,
-                                       $o->tb_name,
-                                       $rmvtxt);
-               }
-               $wgOut->addWikiMsg( 'trackbackbox', $tbtext );
-               $this->mTitle->invalidateCache();
-       }
-
-       public function deletetrackback() {
-               global $wgUser, $wgRequest, $wgOut, $wgTitle;
-               if( !$wgUser->matchEditToken($wgRequest->getVal('token')) ) {
-                       $wgOut->addWikiMsg( 'sessionfailure' );
-                       return;
-               }
-
-               $permission_errors = $this->mTitle->getUserPermissionsErrors( 'delete', $wgUser );
-               if( count($permission_errors) ) {
-                       $wgOut->showPermissionsErrorPage( $permission_errors );
-                       return;
-               }
-
-               $db = wfGetDB( DB_MASTER );
-               $db->delete( 'trackbacks', array('tb_id' => $wgRequest->getInt('tbid')) );
-
-               $wgOut->addWikiMsg( 'trackbackdeleteok' );
-               $this->mTitle->invalidateCache();
-       }
-
-       public function render() {
-               global $wgOut;
-               $wgOut->setArticleBodyOnly(true);
-               $this->view();
-       }
-
-       /**
-        * Handle action=purge
-        */
-       public function purge() {
-               global $wgUser, $wgRequest, $wgOut;
-               if( $wgUser->isAllowed( 'purge' ) || $wgRequest->wasPosted() ) {
-                       if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
-                               $this->doPurge();
-                               $this->view();
-                       }
-               } else {
-                       $action = htmlspecialchars( $wgRequest->getRequestURL() );
-                       $button = wfMsgExt( 'confirm_purge_button', array('escapenoentities') );
-                       $form = "<form method=\"post\" action=\"$action\">\n" .
-                                       "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
-                                       "</form>\n";
-                       $top = wfMsgExt( 'confirm-purge-top', array('parse') );
-                       $bottom = wfMsgExt( 'confirm-purge-bottom', array('parse') );
-                       $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
-                       $wgOut->setRobotPolicy( 'noindex,nofollow' );
-                       $wgOut->addHTML( $top . $form . $bottom );
-               }
-       }
-
-       /**
-        * Perform the actions of a page purging
-        */
-       public function doPurge() {
-               global $wgUseSquid;
-               // Invalidate the cache
-               $this->mTitle->invalidateCache();
-
-               if( $wgUseSquid ) {
-                       // Commit the transaction before the purge is sent
-                       $dbw = wfGetDB( DB_MASTER );
-                       $dbw->immediateCommit();
-
-                       // Send purge
-                       $update = SquidUpdate::newSimplePurge( $this->mTitle );
-                       $update->doUpdate();
-               }
-               if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
-                       global $wgMessageCache;
-                       if( $this->getID() == 0 ) {
-                               $text = false;
-                       } else {
-                               $text = $this->getContent();
-                       }
-                       $wgMessageCache->replace( $this->mTitle->getDBkey(), $text );
-               }
-       }
-
-       /**
-        * Insert a new empty page record for this article.
-        * This *must* be followed up by creating a revision
-        * and running $this->updateToLatest( $rev_id );
-        * or else the record will be left in a funky state.
-        * Best if all done inside a transaction.
-        *
-        * @param $dbw Database
-        * @return int The newly created page_id key, or false if the title already existed
-        * @private
-        */
-       public function insertOn( $dbw ) {
-               wfProfileIn( __METHOD__ );
-
-               $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
-               $dbw->insert( 'page', array(
-                       'page_id'           => $page_id,
-                       'page_namespace'    => $this->mTitle->getNamespace(),
-                       'page_title'        => $this->mTitle->getDBkey(),
-                       'page_counter'      => 0,
-                       'page_restrictions' => '',
-                       'page_is_redirect'  => 0, # Will set this shortly...
-                       'page_is_new'       => 1,
-                       'page_random'       => wfRandom(),
-                       'page_touched'      => $dbw->timestamp(),
-                       'page_latest'       => 0, # Fill this in shortly...
-                       'page_len'          => 0, # Fill this in shortly...
-               ), __METHOD__, 'IGNORE' );
-
-               $affected = $dbw->affectedRows();
-               if( $affected ) {
-                       $newid = $dbw->insertId();
-                       $this->mTitle->resetArticleId( $newid );
-               }
-               wfProfileOut( __METHOD__ );
-               return $affected ? $newid : false;
-       }
-
-       /**
-        * Update the page record to point to a newly saved revision.
-        *
-        * @param $dbw Database object
-        * @param $revision Revision: For ID number, and text used to set
-                           length and redirect status fields
-        * @param $lastRevision Integer: if given, will not overwrite the page field
-        *                      when different from the currently set value.
-        *                      Giving 0 indicates the new page flag should be set
-        *                      on.
-        * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
-        *                                                       removing rows in redirect table.
-        * @return bool true on success, false on failure
-        * @private
-        */
-       public function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
-               wfProfileIn( __METHOD__ );
-
-               $text = $revision->getText();
-               $rt = Title::newFromRedirect( $text );
-
-               $conditions = array( 'page_id' => $this->getId() );
-               if( !is_null( $lastRevision ) ) {
-                       # An extra check against threads stepping on each other
-                       $conditions['page_latest'] = $lastRevision;
-               }
-
-               $dbw->update( 'page',
-                       array( /* SET */
-                               'page_latest'      => $revision->getId(),
-                               'page_touched'     => $dbw->timestamp(),
-                               'page_is_new'      => ($lastRevision === 0) ? 1 : 0,
-                               'page_is_redirect' => $rt !== NULL ? 1 : 0,
-                               'page_len'         => strlen( $text ),
-                       ),
-                       $conditions,
-                       __METHOD__ );
-
-               $result = $dbw->affectedRows() != 0;
-               if( $result ) {
-                       $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
-               }
-
-               wfProfileOut( __METHOD__ );
-               return $result;
-       }
-
-       /**
-        * Add row to the redirect table if this is a redirect, remove otherwise.
-        *
-        * @param $dbw Database
-        * @param $redirectTitle a title object pointing to the redirect target,
-        *                                               or NULL if this is not a redirect
-        * @param $lastRevIsRedirect If given, will optimize adding and
-        *                                                       removing rows in redirect table.
-        * @return bool true on success, false on failure
-        * @private
-        */
-       public function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
-               // Always update redirects (target link might have changed)
-               // Update/Insert if we don't know if the last revision was a redirect or not
-               // Delete if changing from redirect to non-redirect
-               $isRedirect = !is_null($redirectTitle);
-               if($isRedirect || is_null($lastRevIsRedirect) || $lastRevIsRedirect !== $isRedirect) {
-                       wfProfileIn( __METHOD__ );
-                       if( $isRedirect ) {
-                               // This title is a redirect, Add/Update row in the redirect table
-                               $set = array( /* SET */
-                                       'rd_namespace' => $redirectTitle->getNamespace(),
-                                       'rd_title'     => $redirectTitle->getDBkey(),
-                                       'rd_from'      => $this->getId(),
-                               );
-                               $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__ );
-                       } else {
-                               // This is not a redirect, remove row from redirect table
-                               $where = array( 'rd_from' => $this->getId() );
-                               $dbw->delete( 'redirect', $where, __METHOD__);
-                       }
-                       if( $this->getTitle()->getNamespace() == NS_FILE ) {
-                               RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
-                       }
-                       wfProfileOut( __METHOD__ );
-                       return ( $dbw->affectedRows() != 0 );
-               }
-               return true;
-       }
-
-       /**
-        * If the given revision is newer than the currently set page_latest,
-        * update the page record. Otherwise, do nothing.
-        *
-        * @param $dbw Database object
-        * @param $revision Revision object
-        */
-       public function updateIfNewerOn( &$dbw, $revision ) {
-               wfProfileIn( __METHOD__ );
-               $row = $dbw->selectRow(
-                       array( 'revision', 'page' ),
-                       array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
-                       array(
-                               'page_id' => $this->getId(),
-                               'page_latest=rev_id' ),
-                       __METHOD__ );
-               if( $row ) {
-                       if( wfTimestamp(TS_MW, $row->rev_timestamp) >= $revision->getTimestamp() ) {
-                               wfProfileOut( __METHOD__ );
-                               return false;
-                       }
-                       $prev = $row->rev_id;
-                       $lastRevIsRedirect = (bool)$row->page_is_redirect;
-               } else {
-                       # No or missing previous revision; mark the page as new
-                       $prev = 0;
-                       $lastRevIsRedirect = null;
-               }
-               $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
-               wfProfileOut( __METHOD__ );
-               return $ret;
-       }
-
-       /**
-        * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
-        * @return string Complete article text, or null if error
-        */
-       public function replaceSection( $section, $text, $summary = '', $edittime = NULL ) {
-               wfProfileIn( __METHOD__ );
-               if( strval( $section ) == '' ) {
-                       // Whole-page edit; let the whole text through
-               } else {
-                       if( is_null($edittime) ) {
-                               $rev = Revision::newFromTitle( $this->mTitle );
-                       } else {
-                               $dbw = wfGetDB( DB_MASTER );
-                               $rev = Revision::loadFromTimestamp( $dbw, $this->mTitle, $edittime );
-                       }
-                       if( !$rev ) {
-                               wfDebug( "Article::replaceSection asked for bogus section (page: " .
-                                       $this->getId() . "; section: $section; edittime: $edittime)\n" );
-                               return null;
-                       }
-                       $oldtext = $rev->getText();
-
-                       if( $section == 'new' ) {
-                               # Inserting a new section
-                               $subject = $summary ? wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n" : '';
-                               $text = strlen( trim( $oldtext ) ) > 0
-                                               ? "{$oldtext}\n\n{$subject}{$text}"
-                                               : "{$subject}{$text}";
-                       } else {
-                               # Replacing an existing section; roll out the big guns
-                               global $wgParser;
-                               $text = $wgParser->replaceSection( $oldtext, $section, $text );
-                       }
-               }
-               wfProfileOut( __METHOD__ );
-               return $text;
-       }
-
-       /**
-        * @deprecated use Article::doEdit()
-        */
-       function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false, $bot=false ) {
-               wfDeprecated( __METHOD__ );
-               $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
-                       ( $isminor ? EDIT_MINOR : 0 ) |
-                       ( $suppressRC ? EDIT_SUPPRESS_RC : 0 ) |
-                       ( $bot ? EDIT_FORCE_BOT : 0 );
-
-               # If this is a comment, add the summary as headline
-               if( $comment && $summary != "" ) {
-                       $text = wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n".$text;
-               }
-
-               $this->doEdit( $text, $summary, $flags );
-
-               $dbw = wfGetDB( DB_MASTER );
-               if($watchthis) {
-                       if(!$this->mTitle->userIsWatching()) {
-                               $dbw->begin();
-                               $this->doWatch();
-                               $dbw->commit();
-                       }
-               } else {
-                       if( $this->mTitle->userIsWatching() ) {
-                               $dbw->begin();
-                               $this->doUnwatch();
-                               $dbw->commit();
-                       }
-               }
-               $this->doRedirect( $this->isRedirect( $text ) );
-       }
-
-       /**
-        * @deprecated use Article::doEdit()
-        */
-       function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
-               wfDeprecated( __METHOD__ );
-               $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
-                       ( $minor ? EDIT_MINOR : 0 ) |
-                       ( $forceBot ? EDIT_FORCE_BOT : 0 );
-
-               $status = $this->doEdit( $text, $summary, $flags );
-               if( !$status->isOK() ) {
-                       return false;
-               }
-
-               $dbw = wfGetDB( DB_MASTER );
-               if( $watchthis ) {
-                       if(!$this->mTitle->userIsWatching()) {
-                               $dbw->begin();
-                               $this->doWatch();
-                               $dbw->commit();
-                       }
-               } else {
-                       if( $this->mTitle->userIsWatching() ) {
-                               $dbw->begin();
-                               $this->doUnwatch();
-                               $dbw->commit();
-                       }
-               }
-
-               $extraQuery = ''; // Give extensions a chance to modify URL query on update
-               wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
-
-               $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
-               return true;
-       }
-
-       /**
-        * Article::doEdit()
-        *
-        * Change an existing article or create a new article. Updates RC and all necessary caches,
-        * optionally via the deferred update array.
-        *
-        * $wgUser must be set before calling this function.
-        *
-        * @param $text String: new text
-        * @param $summary String: edit summary
-        * @param $flags Integer bitfield:
-        *      EDIT_NEW
-        *          Article is known or assumed to be non-existent, create a new one
-        *      EDIT_UPDATE
-        *          Article is known or assumed to be pre-existing, update it
-        *      EDIT_MINOR
-        *          Mark this edit minor, if the user is allowed to do so
-        *      EDIT_SUPPRESS_RC
-        *          Do not log the change in recentchanges
-        *      EDIT_FORCE_BOT
-        *          Mark the edit a "bot" edit regardless of user rights
-        *      EDIT_DEFER_UPDATES
-        *          Defer some of the updates until the end of index.php
-        *      EDIT_AUTOSUMMARY
-        *          Fill in blank summaries with generated text where possible
-        *
-        * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
-        * If EDIT_UPDATE is specified and the article doesn't exist, the function will an 
-        * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an 
-        * edit-already-exists error will be returned. These two conditions are also possible with 
-        * auto-detection due to MediaWiki's performance-optimised locking strategy.
-        *
-        * @param $baseRevId the revision ID this edit was based off, if any
-        * @param $user Optional user object, $wgUser will be used if not passed
-        *
-        * @return Status object. Possible errors:
-        *     edit-hook-aborted:       The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
-        *     edit-gone-missing:       In update mode, but the article didn't exist
-        *     edit-conflict:           In update mode, the article changed unexpectedly
-        *     edit-no-change:          Warning that the text was the same as before
-        *     edit-already-exists:     In creation mode, but the article already exists
-        *
-        *  Extensions may define additional errors.
-        *
-        *  $return->value will contain an associative array with members as follows:
-        *     new:                     Boolean indicating if the function attempted to create a new article
-        *     revision:                The revision object for the inserted revision, or null
-        *
-        *  Compatibility note: this function previously returned a boolean value indicating success/failure
-        */
-       public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
-               global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
-
-               # Low-level sanity check
-               if( $this->mTitle->getText() == '' ) {
-                       throw new MWException( 'Something is trying to edit an article with an empty title' );
-               }
-
-               wfProfileIn( __METHOD__ );
-
-               $user = is_null($user) ? $wgUser : $user;
-               $status = Status::newGood( array() );
-
-               # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
-               $this->loadPageData(); 
-
-               if( !($flags & EDIT_NEW) && !($flags & EDIT_UPDATE) ) {
-                       $aid = $this->mTitle->getArticleID();
-                       if( $aid ) {
-                               $flags |= EDIT_UPDATE;
-                       } else {
-                               $flags |= EDIT_NEW;
-                       }
-               }
-
-               if( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
-                       $flags & EDIT_MINOR, null, null, &$flags, &$status ) ) )
-               {
-                       wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" );
-                       wfProfileOut( __METHOD__ );
-                       if( $status->isOK() ) {
-                               $status->fatal( 'edit-hook-aborted');
-                       }
-                       return $status;
-               }
-
-               # Silently ignore EDIT_MINOR if not allowed
-               $isminor = ( $flags & EDIT_MINOR ) && $user->isAllowed('minoredit');
-               $bot = $flags & EDIT_FORCE_BOT;
-
-               $oldtext = $this->getContent();
-               $oldsize = strlen( $oldtext );
-
-               # Provide autosummaries if one is not provided and autosummaries are enabled.
-               if( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY && $summary == '' ) {
-                       $summary = $this->getAutosummary( $oldtext, $text, $flags );
-               }
-
-               $editInfo = $this->prepareTextForEdit( $text );
-               $text = $editInfo->pst;
-               $newsize = strlen( $text );
-
-               $dbw = wfGetDB( DB_MASTER );
-               $now = wfTimestampNow();
-
-               if( $flags & EDIT_UPDATE ) {
-                       # Update article, but only if changed.
-                       $status->value['new'] = false;
-                       # Make sure the revision is either completely inserted or not inserted at all
-                       if( !$wgDBtransactions ) {
-                               $userAbort = ignore_user_abort( true );
-                       }
-
-                       $revisionId = 0;
-
-                       $changed = ( strcmp( $text, $oldtext ) != 0 );
-
-                       if( $changed ) {
-                               $this->mGoodAdjustment = (int)$this->isCountable( $text )
-                                 - (int)$this->isCountable( $oldtext );
-                               $this->mTotalAdjustment = 0;
-
-                               if( !$this->mLatest ) {
-                                       # Article gone missing
-                                       wfDebug( __METHOD__.": EDIT_UPDATE specified but article doesn't exist\n" );
-                                       $status->fatal( 'edit-gone-missing' );
-                                       wfProfileOut( __METHOD__ );
-                                       return $status;
-                               }
-
-                               $revision = new Revision( array(
-                                       'page'       => $this->getId(),
-                                       'comment'    => $summary,
-                                       'minor_edit' => $isminor,
-                                       'text'       => $text,
-                                       'parent_id'  => $this->mLatest,
-                                       'user'       => $user->getId(),
-                                       'user_text'  => $user->getName(),
-                                       ) );
-
-                               $dbw->begin();
-                               $revisionId = $revision->insertOn( $dbw );
-
-                               # Update page
-                               #
-                               # Note that we use $this->mLatest instead of fetching a value from the master DB 
-                               # during the course of this function. This makes sure that EditPage can detect 
-                               # edit conflicts reliably, either by $ok here, or by $article->getTimestamp() 
-                               # before this function is called. A previous function used a separate query, this
-                               # creates a window where concurrent edits can cause an ignored edit conflict.
-                               $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest );
-
-                               if( !$ok ) {
-                                       /* Belated edit conflict! Run away!! */
-                                       $status->fatal( 'edit-conflict' );
-                                       # Delete the invalid revision if the DB is not transactional
-                                       if( !$wgDBtransactions ) {
-                                               $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__ );
-                                       }
-                                       $revisionId = 0;
-                                       $dbw->rollback();
-                               } else {
-                                       global $wgUseRCPatrol;
-                                       wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, $baseRevId, $user) );
-                                       # Update recentchanges
-                                       if( !( $flags & EDIT_SUPPRESS_RC ) ) {
-                                               # Mark as patrolled if the user can do so
-                                               $patrolled = $wgUseRCPatrol && $this->mTitle->userCan('autopatrol');
-                                               # Add RC row to the DB
-                                               $rc = RecentChange::notifyEdit( $now, $this->mTitle, $isminor, $user, $summary,
-                                                       $this->mLatest, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
-                                                       $revisionId, $patrolled
-                                               );
-                                               # Log auto-patrolled edits
-                                               if( $patrolled ) {
-                                                       PatrolLog::record( $rc, true );
-                                               }
-                                       }
-                                       $user->incEditCount();
-                                       $dbw->commit();
-                               }
-                       } else {
-                               $status->warning( 'edit-no-change' );
-                               $revision = null;
-                               // Keep the same revision ID, but do some updates on it
-                               $revisionId = $this->getRevIdFetched();
-                               // Update page_touched, this is usually implicit in the page update
-                               // Other cache updates are done in onArticleEdit()
-                               $this->mTitle->invalidateCache();
-                       }
-
-                       if( !$wgDBtransactions ) {
-                               ignore_user_abort( $userAbort );
-                       }
-                       // Now that ignore_user_abort is restored, we can respond to fatal errors
-                       if( !$status->isOK() ) {
-                               wfProfileOut( __METHOD__ );
-                               return $status;
-                       }
-
-                       # Invalidate cache of this article and all pages using this article
-                       # as a template. Partly deferred. Leave templatelinks for editUpdates().
-                       Article::onArticleEdit( $this->mTitle, 'skiptransclusions' );
-                       # Update links tables, site stats, etc.
-                       $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
-               } else {
-                       # Create new article
-                       $status->value['new'] = true;
-
-                       # Set statistics members
-                       # We work out if it's countable after PST to avoid counter drift
-                       # when articles are created with {{subst:}}
-                       $this->mGoodAdjustment = (int)$this->isCountable( $text );
-                       $this->mTotalAdjustment = 1;
-
-                       $dbw->begin();
-
-                       # Add the page record; stake our claim on this title!
-                       # This will return false if the article already exists
-                       $newid = $this->insertOn( $dbw );
-
-                       if( $newid === false ) {
-                               $dbw->rollback();
-                               $status->fatal( 'edit-already-exists' );
-                               wfProfileOut( __METHOD__ );
-                               return $status;
-                       }
-
-                       # Save the revision text...
-                       $revision = new Revision( array(
-                               'page'       => $newid,
-                               'comment'    => $summary,
-                               'minor_edit' => $isminor,
-                               'text'       => $text,
-                               'user'       => $user->getId(),
-                               'user_text'  => $user->getName(),
-                               ) );
-                       $revisionId = $revision->insertOn( $dbw );
-
-                       $this->mTitle->resetArticleID( $newid );
-
-                       # Update the page record with revision data
-                       $this->updateRevisionOn( $dbw, $revision, 0 );
-
-                       wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $user) );
-                       # Update recentchanges
-                       if( !( $flags & EDIT_SUPPRESS_RC ) ) {
-                               global $wgUseRCPatrol, $wgUseNPPatrol;
-                               # Mark as patrolled if the user can do so
-                               $patrolled = ($wgUseRCPatrol || $wgUseNPPatrol) && $this->mTitle->userCan('autopatrol');
-                               # Add RC row to the DB
-                               $rc = RecentChange::notifyNew( $now, $this->mTitle, $isminor, $user, $summary, $bot,
-                                       '', strlen($text), $revisionId, $patrolled );
-                               # Log auto-patrolled edits
-                               if( $patrolled ) {
-                                       PatrolLog::record( $rc, true );
-                               }
-                       }
-                       $user->incEditCount();
-                       $dbw->commit();
-
-                       # Update links, etc.
-                       $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
-
-                       # Clear caches
-                       Article::onArticleCreate( $this->mTitle );
-
-                       wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
-                               $flags & EDIT_MINOR, null, null, &$flags, $revision ) );
-               }
-
-               # Do updates right now unless deferral was requested
-               if( !( $flags & EDIT_DEFER_UPDATES ) ) {
-                       wfDoUpdates();
-               }
-
-               // Return the new revision (or null) to the caller
-               $status->value['revision'] = $revision;
-
-               wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
-                       $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status ) );
-
-               wfProfileOut( __METHOD__ );
-               return $status;
-       }
-
-       /**
-        * @deprecated wrapper for doRedirect
-        */
-       public function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
-               wfDeprecated( __METHOD__ );
-               $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
-       }
-
-       /**
-        * Output a redirect back to the article.
-        * This is typically used after an edit.
-        *
-        * @param $noRedir Boolean: add redirect=no
-        * @param $sectionAnchor String: section to redirect to, including "#"
-        * @param $extraQuery String: extra query params
-        */
-       public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
-               global $wgOut;
-               if( $noRedir ) {
-                       $query = 'redirect=no';
-                       if( $extraQuery )
-                               $query .= "&$query";
-               } else {
-                       $query = $extraQuery;
-               }
-               $wgOut->redirect( $this->mTitle->getFullURL( $query ) . $sectionAnchor );
-       }
-
-       /**
-        * Mark this particular edit/page as patrolled
-        */
-       public function markpatrolled() {
-               global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser;
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-
-               # If we haven't been given an rc_id value, we can't do anything
-               $rcid = (int) $wgRequest->getVal('rcid');
-               $rc = RecentChange::newFromId($rcid);
-               if( is_null($rc) ) {
-                       $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
-                       return;
-               }
-
-               #It would be nice to see where the user had actually come from, but for now just guess
-               $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ? 'Newpages' : 'Recentchanges';
-               $return = Title::makeTitle( NS_SPECIAL, $returnto );
-
-               $dbw = wfGetDB( DB_MASTER );
-               $errors = $rc->doMarkPatrolled();
-
-               if( in_array(array('rcpatroldisabled'), $errors) ) {
-                       $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
-                       return;
-               }
-               
-               if( in_array(array('hookaborted'), $errors) ) {
-                       // The hook itself has handled any output
-                       return;
-               }
-               
-               if( in_array(array('markedaspatrollederror-noautopatrol'), $errors) ) {
-                       $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
-                       $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' );
-                       $wgOut->returnToMain( false, $return );
-                       return;
-               }
-
-               if( !empty($errors) ) {
-                       $wgOut->showPermissionsErrorPage( $errors );
-                       return;
-               }
-
-               # Inform the user
-               $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
-               $wgOut->addWikiMsg( 'markedaspatrolledtext' );
-               $wgOut->returnToMain( false, $return );
-       }
-
-       /**
-        * User-interface handler for the "watch" action
-        */
-
-       public function watch() {
-               global $wgUser, $wgOut;
-               if( $wgUser->isAnon() ) {
-                       $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
-                       return;
-               }
-               if( wfReadOnly() ) {
-                       $wgOut->readOnlyPage();
-                       return;
-               }
-               if( $this->doWatch() ) {
-                       $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
-                       $wgOut->setRobotPolicy( 'noindex,nofollow' );
-                       $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle->getPrefixedText() );
-               }
-               $wgOut->returnToMain( true, $this->mTitle->getPrefixedText() );
-       }
-
-       /**
-        * Add this page to $wgUser's watchlist
-        * @return bool true on successful watch operation
-        */
-       public function doWatch() {
-               global $wgUser;
-               if( $wgUser->isAnon() ) {
-                       return false;
-               }
-               if( wfRunHooks('WatchArticle', array(&$wgUser, &$this)) ) {
-                       $wgUser->addWatch( $this->mTitle );
-                       return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
-               }
-               return false;
-       }
-
-       /**
-        * User interface handler for the "unwatch" action.
-        */
-       public function unwatch() {
-               global $wgUser, $wgOut;
-               if( $wgUser->isAnon() ) {
-                       $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
-                       return;
-               }
-               if( wfReadOnly() ) {
-                       $wgOut->readOnlyPage();
-                       return;
-               }
-               if( $this->doUnwatch() ) {
-                       $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
-                       $wgOut->setRobotPolicy( 'noindex,nofollow' );
-                       $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle->getPrefixedText() );
-               }
-               $wgOut->returnToMain( true, $this->mTitle->getPrefixedText() );
-       }
-
-       /**
-        * Stop watching a page
-        * @return bool true on successful unwatch
-        */
-       public function doUnwatch() {
-               global $wgUser;
-               if( $wgUser->isAnon() ) {
-                       return false;
-               }
-               if( wfRunHooks('UnwatchArticle', array(&$wgUser, &$this)) ) {
-                       $wgUser->removeWatch( $this->mTitle );
-                       return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
-               }
-               return false;
-       }
-
-       /**
-        * action=protect handler
-        */
-       public function protect() {
-               $form = new ProtectionForm( $this );
-               $form->execute();
-       }
-
-       /**
-        * action=unprotect handler (alias)
-        */
-       public function unprotect() {
-               $this->protect();
-       }
-
-       /**
-        * Update the article's restriction field, and leave a log entry.
-        *
-        * @param $limit Array: set of restriction keys
-        * @param $reason String
-        * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
-        * @param $expiry Array: per restriction type expiration
-        * @return bool true on success
-        */
-       public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
-               global $wgUser, $wgRestrictionTypes, $wgContLang;
-
-               $id = $this->mTitle->getArticleID();
-               if( $id <= 0 || wfReadOnly() || !$this->mTitle->userCan('protect') ) {
-                       return false;
-               }
-
-               if( !$cascade ) {
-                       $cascade = false;
-               }
-
-               // Take this opportunity to purge out expired restrictions
-               Title::purgeExpiredRestrictions();
-
-               # FIXME: Same limitations as described in ProtectionForm.php (line 37);
-               # we expect a single selection, but the schema allows otherwise.
-               $current = array();
-               $updated = Article::flattenRestrictions( $limit );
-               $changed = false;
-               foreach( $wgRestrictionTypes as $action ) {
-                       if( isset( $expiry[$action] ) ) {
-                               # Get current restrictions on $action
-                               $aLimits = $this->mTitle->getRestrictions( $action );
-                               $current[$action] = implode( '', $aLimits );
-                               # Are any actual restrictions being dealt with here?
-                               $aRChanged = count($aLimits) || !empty($limit[$action]);
-                               # If something changed, we need to log it. Checking $aRChanged
-                               # assures that "unprotecting" a page that is not protected does
-                               # not log just because the expiry was "changed".
-                               if( $aRChanged && $this->mTitle->mRestrictionsExpiry[$action] != $expiry[$action] ) {
-                                       $changed = true;
-                               }
-                       }
-               }
-
-               $current = Article::flattenRestrictions( $current );
-
-               $changed = ($changed || $current != $updated );
-               $changed = $changed || ($updated && $this->mTitle->areRestrictionsCascading() != $cascade);
-               $protect = ( $updated != '' );
-
-               # If nothing's changed, do nothing
-               if( $changed ) {
-                       if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
-
-                               $dbw = wfGetDB( DB_MASTER );
-                               
-                               # Prepare a null revision to be added to the history
-                               $modified = $current != '' && $protect;
-                               if( $protect ) {
-                                       $comment_type = $modified ? 'modifiedarticleprotection' : 'protectedarticle';
-                               } else {
-                                       $comment_type = 'unprotectedarticle';
-                               }
-                               $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle->getPrefixedText() ) );
-
-                               # Only restrictions with the 'protect' right can cascade...
-                               # Otherwise, people who cannot normally protect can "protect" pages via transclusion
-                               $editrestriction = isset( $limit['edit'] ) ? array( $limit['edit'] ) : $this->mTitle->getRestrictions( 'edit' );
-                               # The schema allows multiple restrictions
-                               if(!in_array('protect', $editrestriction) && !in_array('sysop', $editrestriction))
-                                       $cascade = false;
-                               $cascade_description = '';       
-                               if( $cascade ) {
-                                       $cascade_description = ' ['.wfMsgForContent('protect-summary-cascade').']';      
-                               }
-
-                               if( $reason )
-                                       $comment .= ": $reason";
-
-                               $editComment = $comment;
-                               $encodedExpiry = array();
-                               $protect_description = '';
-                               foreach( $limit as $action => $restrictions  ) {
-                                       $encodedExpiry[$action] = Block::encodeExpiry($expiry[$action], $dbw );
-                                       if( $restrictions != '' ) {
-                                               $protect_description .= "[$action=$restrictions] (";
-                                               if( $encodedExpiry[$action] != 'infinity' ) {
-                                                       $protect_description .= wfMsgForContent( 'protect-expiring', 
-                                                               $wgContLang->timeanddate( $expiry[$action], false, false ) ,
-                                                               $wgContLang->date( $expiry[$action], false, false ) ,
-                                                               $wgContLang->time( $expiry[$action], false, false ) );   
-                                               } else {
-                                                       $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
-                                               }
-                                               $protect_description .= ') ';
-                                       }
-                               }
-                               $protect_description = trim($protect_description);
-                                       
-                               if( $protect_description && $protect )
-                                       $editComment .= " ($protect_description)";
-                               if( $cascade )
-                                       $editComment .= "$cascade_description";
-                               # Update restrictions table
-                               foreach( $limit as $action => $restrictions ) {
-                                       if($restrictions != '' ) {
-                                               $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
-                                                       array( 'pr_page' => $id, 
-                                                               'pr_type' => $action, 
-                                                               'pr_level' => $restrictions, 
-                                                               'pr_cascade' => ($cascade && $action == 'edit') ? 1 : 0,
-                                                               'pr_expiry' => $encodedExpiry[$action] ), __METHOD__  );
-                                       } else {
-                                               $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
-                                                       'pr_type' => $action ), __METHOD__ );
-                                       }
-                               }
-
-                               # Insert a null revision
-                               $nullRevision = Revision::newNullRevision( $dbw, $id, $editComment, true );
-                               $nullRevId = $nullRevision->insertOn( $dbw );
-
-                               $latest = $this->getLatest();
-                               # Update page record
-                               $dbw->update( 'page',
-                                       array( /* SET */
-                                               'page_touched' => $dbw->timestamp(),
-                                               'page_restrictions' => '',
-                                               'page_latest' => $nullRevId
-                                       ), array( /* WHERE */
-                                               'page_id' => $id
-                                       ), 'Article::protect'
-                               );
-
-                               wfRunHooks( 'NewRevisionFromEditComplete', array($this, $nullRevision, $latest, $wgUser) );
-                               wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
-
-                               # Update the protection log
-                               $log = new LogPage( 'protect' );
-                               if( $protect ) {
-                                       $params = array($protect_description,$cascade ? 'cascade' : '');
-                                       $log->addEntry( $modified ? 'modify' : 'protect', $this->mTitle, trim( $reason), $params );
-                               } else {
-                                       $log->addEntry( 'unprotect', $this->mTitle, $reason );
-                               }
-
-                       } # End hook
-               } # End "changed" check
-
-               return true;
-       }
-
-       /**
-        * Take an array of page restrictions and flatten it to a string
-        * suitable for insertion into the page_restrictions field.
-        * @param $limit Array
-        * @return String
-        */
-       protected static function flattenRestrictions( $limit ) {
-               if( !is_array( $limit ) ) {
-                       throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
-               }
-               $bits = array();
-               ksort( $limit );
-               foreach( $limit as $action => $restrictions ) {
-                       if( $restrictions != '' ) {
-                               $bits[] = "$action=$restrictions";
-                       }
-               }
-               return implode( ':', $bits );
-       }
-
-       /**
-        * Auto-generates a deletion reason
-        * @param &$hasHistory Boolean: whether the page has a history
-        */
-       public function generateReason( &$hasHistory ) {
-               global $wgContLang;
-               $dbw = wfGetDB( DB_MASTER );
-               // Get the last revision
-               $rev = Revision::newFromTitle( $this->mTitle );
-               if( is_null( $rev ) )
-                       return false;
-
-               // Get the article's contents
-               $contents = $rev->getText();
-               $blank = false;
-               // If the page is blank, use the text from the previous revision,
-               // which can only be blank if there's a move/import/protect dummy revision involved
-               if( $contents == '' ) {
-                       $prev = $rev->getPrevious();
-                       if( $prev )     {
-                               $contents = $prev->getText();
-                               $blank = true;
-                       }
-               }
-
-               // Find out if there was only one contributor
-               // Only scan the last 20 revisions
-               $limit = 20;
-               $res = $dbw->select( 'revision', 'rev_user_text',
-                       array( 'rev_page' => $this->getID() ), __METHOD__,
-                       array( 'LIMIT' => $limit )
-               );
-               if( $res === false )
-                       // This page has no revisions, which is very weird
-                       return false;
-               if( $res->numRows() > 1 )
-                               $hasHistory = true;
-               else
-                               $hasHistory = false;
-               $row = $dbw->fetchObject( $res );
-               $onlyAuthor = $row->rev_user_text;
-               // Try to find a second contributor
-               foreach( $res as $row ) {
-                       if( $row->rev_user_text != $onlyAuthor ) {
-                               $onlyAuthor = false;
-                               break;
-                       }
-               }
-               $dbw->freeResult( $res );
-
-               // Generate the summary with a '$1' placeholder
-               if( $blank ) {
-                       // The current revision is blank and the one before is also
-                       // blank. It's just not our lucky day
-                       $reason = wfMsgForContent( 'exbeforeblank', '$1' );
-               } else {
-                       if( $onlyAuthor )
-                               $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
-                       else
-                               $reason = wfMsgForContent( 'excontent', '$1' );
-               }
-               
-               if( $reason == '-' ) {
-                       // Allow these UI messages to be blanked out cleanly
-                       return '';
-               }
-
-               // Replace newlines with spaces to prevent uglyness
-               $contents = preg_replace( "/[\n\r]/", ' ', $contents );
-               // Calculate the maximum amount of chars to get
-               // Max content length = max comment length - length of the comment (excl. $1) - '...'
-               $maxLength = 255 - (strlen( $reason ) - 2) - 3;
-               $contents = $wgContLang->truncate( $contents, $maxLength, '...' );
-               // Remove possible unfinished links
-               $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
-               // Now replace the '$1' placeholder
-               $reason = str_replace( '$1', $contents, $reason );
-               return $reason;
-       }
-
-
-       /*
-        * UI entry point for page deletion
-        */
-       public function delete() {
-               global $wgUser, $wgOut, $wgRequest;
-
-               $confirm = $wgRequest->wasPosted() &&
-                               $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
-
-               $this->DeleteReasonList = $wgRequest->getText( 'wpDeleteReasonList', 'other' );
-               $this->DeleteReason = $wgRequest->getText( 'wpReason' );
-
-               $reason = $this->DeleteReasonList;
-
-               if( $reason != 'other' && $this->DeleteReason != '' ) {
-                       // Entry from drop down menu + additional comment
-                       $reason .= ': ' . $this->DeleteReason;
-               } elseif( $reason == 'other' ) {
-                       $reason = $this->DeleteReason;
-               }
-               # Flag to hide all contents of the archived revisions
-               $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' );
-
-               # This code desperately needs to be totally rewritten
-
-               # Read-only check...
-               if( wfReadOnly() ) {
-                       $wgOut->readOnlyPage();
-                       return;
-               }
-
-               # Check permissions
-               $permission_errors = $this->mTitle->getUserPermissionsErrors( 'delete', $wgUser );
-
-               if( count( $permission_errors ) > 0 ) {
-                       $wgOut->showPermissionsErrorPage( $permission_errors );
-                       return;
-               }
-
-               $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle->getPrefixedText() ) );
-
-               # Better double-check that it hasn't been deleted yet!
-               $dbw = wfGetDB( DB_MASTER );
-               $conds = $this->mTitle->pageCond();
-               $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__ );
-               if( $latest === false ) {
-                       $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) );
-                       $wgOut->addHTML( Xml::element( 'h2', null, LogPage::logName( 'delete' ) ) );
-                       LogEventsList::showLogExtract( $wgOut, 'delete', $this->mTitle->getPrefixedText() );
-                       return;
-               }
-
-               # Hack for big sites
-               $bigHistory = $this->isBigDeletion();
-               if( $bigHistory && !$this->mTitle->userCan( 'bigdelete' ) ) {
-                       global $wgLang, $wgDeleteRevisionsLimit;
-                       $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
-                               array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
-                       return;
-               }
-
-               if( $confirm ) {
-                       $this->doDelete( $reason, $suppress );
-                       if( $wgRequest->getCheck( 'wpWatch' ) ) {
-                               $this->doWatch();
-                       } elseif( $this->mTitle->userIsWatching() ) {
-                               $this->doUnwatch();
-                       }
-                       return;
-               }
-
-               // Generate deletion reason
-               $hasHistory = false;
-               if( !$reason ) $reason = $this->generateReason($hasHistory);
-
-               // If the page has a history, insert a warning
-               if( $hasHistory && !$confirm ) {
-                       $skin = $wgUser->getSkin();
-                       $wgOut->addHTML( '<strong>' . wfMsgExt( 'historywarning', array( 'parseinline' ) ) . ' ' . $skin->historyLink() . '</strong>' );
-                       if( $bigHistory ) {
-                               global $wgLang, $wgDeleteRevisionsLimit;
-                               $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
-                                       array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
-                       }
-               }
-
-               return $this->confirmDelete( $reason );
-       }
-
-       /**
-        * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
-        */
-       public function isBigDeletion() {
-               global $wgDeleteRevisionsLimit;
-               if( $wgDeleteRevisionsLimit ) {
-                       $revCount = $this->estimateRevisionCount();
-                       return $revCount > $wgDeleteRevisionsLimit;
-               }
-               return false;
-       }
-
-       /**
-        * @return int approximate revision count
-        */
-       public function estimateRevisionCount() {
-               $dbr = wfGetDB( DB_SLAVE );
-               // For an exact count...
-               //return $dbr->selectField( 'revision', 'COUNT(*)',
-               //      array( 'rev_page' => $this->getId() ), __METHOD__ );
-               return $dbr->estimateRowCount( 'revision', '*',
-                       array( 'rev_page' => $this->getId() ), __METHOD__ );
-       }
-
-       /**
-        * Get the last N authors
-        * @param $num Integer: number of revisions to get
-        * @param $revLatest String: the latest rev_id, selected from the master (optional)
-        * @return array Array of authors, duplicates not removed
-        */
-       public function getLastNAuthors( $num, $revLatest = 0 ) {
-               wfProfileIn( __METHOD__ );
-               // First try the slave
-               // If that doesn't have the latest revision, try the master
-               $continue = 2;
-               $db = wfGetDB( DB_SLAVE );
-               do {
-                       $res = $db->select( array( 'page', 'revision' ),
-                               array( 'rev_id', 'rev_user_text' ),
-                               array(
-                                       'page_namespace' => $this->mTitle->getNamespace(),
-                                       'page_title' => $this->mTitle->getDBkey(),
-                                       'rev_page = page_id'
-                               ), __METHOD__, $this->getSelectOptions( array(
-                                       'ORDER BY' => 'rev_timestamp DESC',
-                                       'LIMIT' => $num
-                               ) )
-                       );
-                       if( !$res ) {
-                               wfProfileOut( __METHOD__ );
-                               return array();
-                       }
-                       $row = $db->fetchObject( $res );
-                       if( $continue == 2 && $revLatest && $row->rev_id != $revLatest ) {
-                               $db = wfGetDB( DB_MASTER );
-                               $continue--;
-                       } else {
-                               $continue = 0;
-                       }
-               } while ( $continue );
-
-               $authors = array( $row->rev_user_text );
-               while ( $row = $db->fetchObject( $res ) ) {
-                       $authors[] = $row->rev_user_text;
-               }
-               wfProfileOut( __METHOD__ );
-               return $authors;
-       }
-
-       /**
-        * Output deletion confirmation dialog
-        * @param $reason String: prefilled reason
-        */
-       public function confirmDelete( $reason ) {
-               global $wgOut, $wgUser;
-
-               wfDebug( "Article::confirmDelete\n" );
-
-               $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->mTitle ) ) );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->addWikiMsg( 'confirmdeletetext' );
-
-               if( $wgUser->isAllowed( 'suppressrevision' ) ) {
-                       $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\">
-                                       <td></td>
-                                       <td class='mw-input'>" .
-                                               Xml::checkLabel( wfMsg( 'revdelete-suppress' ),
-                                                       'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
-                                       "</td>
-                               </tr>";
-               } else {
-                       $suppress = '';
-               }
-               $checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) || $this->mTitle->userIsWatching();
-
-               $form = Xml::openElement( 'form', array( 'method' => 'post', 
-                       'action' => $this->mTitle->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
-                       Xml::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
-                       Xml::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) .
-                       Xml::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
-                       "<tr id=\"wpDeleteReasonListRow\">
-                               <td class='mw-label'>" .
-                                       Xml::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
-                               "</td>
-                               <td class='mw-input'>" .
-                                       Xml::listDropDown( 'wpDeleteReasonList',
-                                               wfMsgForContent( 'deletereason-dropdown' ),
-                                               wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
-                               "</td>
-                       </tr>
-                       <tr id=\"wpDeleteReasonRow\">
-                               <td class='mw-label'>" .
-                                       Xml::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
-                               "</td>
-                               <td class='mw-input'>" .
-                                       Xml::input( 'wpReason', 60, $reason, array( 'type' => 'text', 'maxlength' => '255', 
-                                               'tabindex' => '2', 'id' => 'wpReason' ) ) .
-                               "</td>
-                       </tr>
-                       <tr>
-                               <td></td>
-                               <td class='mw-input'>" .
-                                       Xml::checkLabel( wfMsg( 'watchthis' ),
-                                               'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
-                               "</td>
-                       </tr>
-                       $suppress
-                       <tr>
-                               <td></td>
-                               <td class='mw-submit'>" .
-                                       Xml::submitButton( wfMsg( 'deletepage' ),
-                                               array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
-                               "</td>
-                       </tr>" .
-                       Xml::closeElement( 'table' ) .
-                       Xml::closeElement( 'fieldset' ) .
-                       Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
-                       Xml::closeElement( 'form' );
-
-                       if( $wgUser->isAllowed( 'editinterface' ) ) {
-                               $skin = $wgUser->getSkin();
-                               $link = $skin->makeLink ( 'MediaWiki:Deletereason-dropdown', wfMsgHtml( 'delete-edit-reasonlist' ) );
-                               $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
-                       }
-
-               $wgOut->addHTML( $form );
-               LogEventsList::showLogExtract( $wgOut, 'delete', $this->mTitle->getPrefixedText() );
-       }
-
-       /**
-        * Perform a deletion and output success or failure messages
-        */
-       public function doDelete( $reason, $suppress = false ) {
-               global $wgOut, $wgUser;
-               $id = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
-
-               $error = '';
-               if( wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason, &$error)) ) {
-                       if( $this->doDeleteArticle( $reason, $suppress, $id ) ) {
-                               $deleted = $this->mTitle->getPrefixedText();
-
-                               $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
-                               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-
-                               $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
-
-                               $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink );
-                               $wgOut->returnToMain( false );
-                               wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason, $id));
-                       } else {
-                               if( $error == '' ) {
-                                       $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) );
-                                       $wgOut->addHTML( Xml::element( 'h2', null, LogPage::logName( 'delete' ) ) );
-                                       LogEventsList::showLogExtract( $wgOut, 'delete', $this->mTitle->getPrefixedText() );
-                               } else {
-                                       $wgOut->showFatalError( $error );
-                               }
-                       }
-               }
-       }
-
-       /**
-        * Back-end article deletion
-        * Deletes the article with database consistency, writes logs, purges caches
-        * Returns success
-        */
-       public function doDeleteArticle( $reason, $suppress = false, $id = 0 ) {
-               global $wgUseSquid, $wgDeferredUpdateList;
-               global $wgUseTrackbacks;
-
-               wfDebug( __METHOD__."\n" );
-
-               $dbw = wfGetDB( DB_MASTER );
-               $ns = $this->mTitle->getNamespace();
-               $t = $this->mTitle->getDBkey();
-               $id = $id ? $id : $this->mTitle->getArticleID( GAID_FOR_UPDATE );
-
-               if( $t == '' || $id == 0 ) {
-                       return false;
-               }
-
-               $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getContent() ), -1 );
-               array_push( $wgDeferredUpdateList, $u );
-
-               // Bitfields to further suppress the content
-               if( $suppress ) {
-                       $bitfield = 0;
-                       // This should be 15...
-                       $bitfield |= Revision::DELETED_TEXT;
-                       $bitfield |= Revision::DELETED_COMMENT;
-                       $bitfield |= Revision::DELETED_USER;
-                       $bitfield |= Revision::DELETED_RESTRICTED;
-               } else {
-                       $bitfield = 'rev_deleted';
-               }
-
-               $dbw->begin();
-               // For now, shunt the revision data into the archive table.
-               // Text is *not* removed from the text table; bulk storage
-               // is left intact to avoid breaking block-compression or
-               // immutable storage schemes.
-               //
-               // For backwards compatibility, note that some older archive
-               // table entries will have ar_text and ar_flags fields still.
-               //
-               // In the future, we may keep revisions and mark them with
-               // the rev_deleted field, which is reserved for this purpose.
-               $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
-                       array(
-                               'ar_namespace'  => 'page_namespace',
-                               'ar_title'      => 'page_title',
-                               'ar_comment'    => 'rev_comment',
-                               'ar_user'       => 'rev_user',
-                               'ar_user_text'  => 'rev_user_text',
-                               'ar_timestamp'  => 'rev_timestamp',
-                               'ar_minor_edit' => 'rev_minor_edit',
-                               'ar_rev_id'     => 'rev_id',
-                               'ar_text_id'    => 'rev_text_id',
-                               'ar_text'       => '\'\'', // Be explicit to appease
-                               'ar_flags'      => '\'\'', // MySQL's "strict mode"...
-                               'ar_len'        => 'rev_len',
-                               'ar_page_id'    => 'page_id',
-                               'ar_deleted'    => $bitfield
-                       ), array(
-                               'page_id' => $id,
-                               'page_id = rev_page'
-                       ), __METHOD__
-               );
-
-               # Delete restrictions for it
-               $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__ );
-
-               # Now that it's safely backed up, delete it
-               $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__);
-               $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
-               if( !$ok ) {
-                       $dbw->rollback();
-                       return false;
-               }
-               
-               # Fix category table counts
-               $cats = array();
-               $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__ );
-               foreach( $res as $row ) {
-                       $cats []= $row->cl_to;
-               }
-               $this->updateCategoryCounts( array(), $cats );
-
-               # If using cascading deletes, we can skip some explicit deletes
-               if( !$dbw->cascadingDeletes() ) {
-                       $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__ );
-
-                       if($wgUseTrackbacks)
-                               $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__ );
-
-                       # Delete outgoing links
-                       $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
-                       $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
-                       $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
-                       $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
-                       $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
-                       $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
-                       $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
-               }
-
-               # If using cleanup triggers, we can skip some manual deletes
-               if( !$dbw->cleanupTriggers() ) {
-                       # Clean up recentchanges entries...
-                       $dbw->delete( 'recentchanges',
-                               array( 'rc_type != '.RC_LOG, 
-                                       'rc_namespace' => $this->mTitle->getNamespace(),
-                                       'rc_title' => $this->mTitle->getDBKey() ),
-                               __METHOD__ );
-                       $dbw->delete( 'recentchanges',
-                               array( 'rc_type != '.RC_LOG, 'rc_cur_id' => $id ),
-                               __METHOD__ );
-               }
-
-               # Clear caches
-               Article::onArticleDelete( $this->mTitle );
-
-               # Clear the cached article id so the interface doesn't act like we exist
-               $this->mTitle->resetArticleID( 0 );
-               $this->mTitle->mArticleID = 0;
-
-               # Log the deletion, if the page was suppressed, log it at Oversight instead
-               $logtype = $suppress ? 'suppress' : 'delete';
-               $log = new LogPage( $logtype );
-
-               # Make sure logging got through
-               $log->addEntry( 'delete', $this->mTitle, $reason, array() );
-
-               $dbw->commit();
-
-               return true;
-       }
-
-       /**
-        * Roll back the most recent consecutive set of edits to a page
-        * from the same user; fails if there are no eligible edits to
-        * roll back to, e.g. user is the sole contributor. This function
-        * performs permissions checks on $wgUser, then calls commitRollback()
-        * to do the dirty work
-        *
-        * @param $fromP String: Name of the user whose edits to rollback.
-        * @param $summary String: Custom summary. Set to default summary if empty.
-        * @param $token String: Rollback token.
-        * @param $bot Boolean: If true, mark all reverted edits as bot.
-        *
-        * @param $resultDetails Array: contains result-specific array of additional values
-        *    'alreadyrolled' : 'current' (rev)
-        *    success        : 'summary' (str), 'current' (rev), 'target' (rev)
-        *
-        * @return array of errors, each error formatted as
-        *   array(messagekey, param1, param2, ...).
-        * On success, the array is empty.  This array can also be passed to
-        * OutputPage::showPermissionsErrorPage().
-        */
-       public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) {
-               global $wgUser;
-               $resultDetails = null;
-
-               # Check permissions
-               $editErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
-               $rollbackErrors = $this->mTitle->getUserPermissionsErrors( 'rollback', $wgUser );
-               $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
-
-               if( !$wgUser->matchEditToken( $token, array( $this->mTitle->getPrefixedText(), $fromP ) ) )
-                       $errors[] = array( 'sessionfailure' );
-
-               if( $wgUser->pingLimiter( 'rollback' ) || $wgUser->pingLimiter() ) {
-                       $errors[] = array( 'actionthrottledtext' );
-               }
-               # If there were errors, bail out now
-               if( !empty( $errors ) )
-                       return $errors;
-
-               return $this->commitRollback($fromP, $summary, $bot, $resultDetails);
-       }
-
-       /**
-        * Backend implementation of doRollback(), please refer there for parameter
-        * and return value documentation
-        *
-        * NOTE: This function does NOT check ANY permissions, it just commits the
-        * rollback to the DB Therefore, you should only call this function direct-
-        * ly if you want to use custom permissions checks. If you don't, use
-        * doRollback() instead.
-        */
-       public function commitRollback($fromP, $summary, $bot, &$resultDetails) {
-               global $wgUseRCPatrol, $wgUser, $wgLang;
-               $dbw = wfGetDB( DB_MASTER );
-
-               if( wfReadOnly() ) {
-                       return array( array( 'readonlytext' ) );
-               }
-
-               # Get the last editor
-               $current = Revision::newFromTitle( $this->mTitle );
-               if( is_null( $current ) ) {
-                       # Something wrong... no page?
-                       return array(array('notanarticle'));
-               }
-
-               $from = str_replace( '_', ' ', $fromP );
-               if( $from != $current->getUserText() ) {
-                       $resultDetails = array( 'current' => $current );
-                       return array(array('alreadyrolled',
-                               htmlspecialchars($this->mTitle->getPrefixedText()),
-                               htmlspecialchars($fromP),
-                               htmlspecialchars($current->getUserText())
-                       ));
-               }
-
-               # Get the last edit not by this guy
-               $user = intval( $current->getUser() );
-               $user_text = $dbw->addQuotes( $current->getUserText() );
-               $s = $dbw->selectRow( 'revision',
-                       array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
-                       array(  'rev_page' => $current->getPage(),
-                               "rev_user != {$user} OR rev_user_text != {$user_text}"
-                       ), __METHOD__,
-                       array(  'USE INDEX' => 'page_timestamp',
-                               'ORDER BY'  => 'rev_timestamp DESC' )
-                       );
-               if( $s === false ) {
-                       # No one else ever edited this page
-                       return array(array('cantrollback'));
-               } else if( $s->rev_deleted & REVISION::DELETED_TEXT || $s->rev_deleted & REVISION::DELETED_USER ) {
-                       # Only admins can see this text
-                       return array(array('notvisiblerev'));
-               }
-
-               $set = array();
-               if( $bot && $wgUser->isAllowed('markbotedits') ) {
-                       # Mark all reverted edits as bot
-                       $set['rc_bot'] = 1;
-               }
-               if( $wgUseRCPatrol ) {
-                       # Mark all reverted edits as patrolled
-                       $set['rc_patrolled'] = 1;
-               }
-
-               if( $set ) {
-                       $dbw->update( 'recentchanges', $set,
-                                       array( /* WHERE */
-                                               'rc_cur_id' => $current->getPage(),
-                                               'rc_user_text' => $current->getUserText(),
-                                               "rc_timestamp > '{$s->rev_timestamp}'",
-                                       ), __METHOD__
-                               );
-               }
-
-               # Generate the edit summary if necessary
-               $target = Revision::newFromId( $s->rev_id );
-               if( empty( $summary ) ){
-                       $summary = wfMsgForContent( 'revertpage' );
-               }
-
-               # Allow the custom summary to use the same args as the default message
-               $args = array(
-                       $target->getUserText(), $from, $s->rev_id,
-                       $wgLang->timeanddate(wfTimestamp(TS_MW, $s->rev_timestamp), true),
-                       $current->getId(), $wgLang->timeanddate($current->getTimestamp())
-               );
-               $summary = wfMsgReplaceArgs( $summary, $args );
-
-               # Save
-               $flags = EDIT_UPDATE;
-
-               if( $wgUser->isAllowed('minoredit') )
-                       $flags |= EDIT_MINOR;
-
-               if( $bot && ($wgUser->isAllowed('markbotedits') || $wgUser->isAllowed('bot')) )
-                       $flags |= EDIT_FORCE_BOT;
-               # Actually store the edit
-               $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
-               if( !empty( $status->value['revision'] ) ) {
-                       $revId = $status->value['revision']->getId();
-               } else {
-                       $revId = false;
-               }
-
-               wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target, $current ) );
-
-               $resultDetails = array(
-                       'summary' => $summary,
-                       'current' => $current,
-                       'target' => $target,
-                       'newid' => $revId
-               );
-               return array();
-       }
-
-       /**
-        * User interface for rollback operations
-        */
-       public function rollback() {
-               global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
-               $details = null;
-
-               $result = $this->doRollback(
-                       $wgRequest->getVal( 'from' ),
-                       $wgRequest->getText( 'summary' ),
-                       $wgRequest->getVal( 'token' ),
-                       $wgRequest->getBool( 'bot' ),
-                       $details
-               );
-
-               if( in_array( array( 'actionthrottledtext' ), $result ) ) {
-                       $wgOut->rateLimited();
-                       return;
-               }
-               if( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' || $result[0][0] == 'cantrollback' ) ) {
-                       $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
-                       $errArray = $result[0];
-                       $errMsg = array_shift( $errArray );
-                       $wgOut->addWikiMsgArray( $errMsg, $errArray );
-                       if( isset( $details['current'] ) ){
-                               $current = $details['current'];
-                               if( $current->getComment() != '' ) {
-                                       $wgOut->addWikiMsgArray( 'editcomment', array( 
-                                               $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) );
-                               }
-                       }
-                       return;
-               }
-               # Display permissions errors before read-only message -- there's no
-               # point in misleading the user into thinking the inability to rollback
-               # is only temporary.
-               if( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) {
-                       # array_diff is completely broken for arrays of arrays, sigh.  Re-
-                       # move any 'readonlytext' error manually.
-                       $out = array();
-                       foreach( $result as $error ) {
-                               if( $error != array( 'readonlytext' ) ) {
-                                       $out []= $error;
-                               }
-                       }
-                       $wgOut->showPermissionsErrorPage( $out );
-                       return;
-               }
-               if( $result == array( array( 'readonlytext' ) ) ) {
-                       $wgOut->readOnlyPage();
-                       return;
-               }
-
-               $current = $details['current'];
-               $target = $details['target'];
-               $newId = $details['newid'];
-               $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() )
-                       . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() );
-               $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() )
-                       . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() );
-               $wgOut->addHTML( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) );
-               $wgOut->returnToMain( false, $this->mTitle );
-
-               if( !$wgRequest->getBool( 'hidediff', false ) && !$wgUser->getBoolOption( 'norollbackdiff', false ) ) {
-                       $de = new DifferenceEngine( $this->mTitle, $current->getId(), $newId, false, true );
-                       $de->showDiff( '', '' );
-               }
-       }
-
-
-       /**
-        * Do standard deferred updates after page view
-        */
-       public function viewUpdates() {
-               global $wgDeferredUpdateList, $wgDisableCounters, $wgUser;
-               # Don't update page view counters on views from bot users (bug 14044)
-               if( !$wgDisableCounters && !$wgUser->isAllowed('bot') && $this->getID() ) {
-                       Article::incViewCount( $this->getID() );
-                       $u = new SiteStatsUpdate( 1, 0, 0 );
-                       array_push( $wgDeferredUpdateList, $u );
-               }
-               # Update newtalk / watchlist notification status
-               $wgUser->clearNotification( $this->mTitle );
-       }
-
-       /**
-        * Prepare text which is about to be saved.
-        * Returns a stdclass with source, pst and output members
-        */
-       public function prepareTextForEdit( $text, $revid=null ) {
-               if( $this->mPreparedEdit && $this->mPreparedEdit->newText == $text && $this->mPreparedEdit->revid == $revid) {
-                       // Already prepared
-                       return $this->mPreparedEdit;
-               }
-               global $wgParser;
-               $edit = (object)array();
-               $edit->revid = $revid;
-               $edit->newText = $text;
-               $edit->pst = $this->preSaveTransform( $text );
-               $options = new ParserOptions;
-               $options->setTidy( true );
-               $options->enableLimitReport();
-               $edit->output = $wgParser->parse( $edit->pst, $this->mTitle, $options, true, true, $revid );
-               $edit->oldText = $this->getContent();
-               $this->mPreparedEdit = $edit;
-               return $edit;
-       }
-
-       /**
-        * Do standard deferred updates after page edit.
-        * Update links tables, site stats, search index and message cache.
-        * Purges pages that include this page if the text was changed here.
-        * Every 100th edit, prune the recent changes table.
-        *
-        * @private
-        * @param $text New text of the article
-        * @param $summary Edit summary
-        * @param $minoredit Minor edit
-        * @param $timestamp_of_pagechange Timestamp associated with the page change
-        * @param $newid rev_id value of the new revision
-        * @param $changed Whether or not the content actually changed
-        */
-       public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
-               global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser, $wgEnableParserCache;
-
-               wfProfileIn( __METHOD__ );
-
-               # Parse the text
-               # Be careful not to double-PST: $text is usually already PST-ed once
-               if( !$this->mPreparedEdit || $this->mPreparedEdit->output->getFlag( 'vary-revision' ) ) {
-                       wfDebug( __METHOD__ . ": No prepared edit or vary-revision is set...\n" );
-                       $editInfo = $this->prepareTextForEdit( $text, $newid );
-               } else {
-                       wfDebug( __METHOD__ . ": No vary-revision, using prepared edit...\n" );
-                       $editInfo = $this->mPreparedEdit;
-               }
-
-               # Save it to the parser cache
-               if( $wgEnableParserCache ) {
-                       $parserCache = ParserCache::singleton();
-                       $parserCache->save( $editInfo->output, $this, $wgUser );
-               }
-
-               # Update the links tables
-               $u = new LinksUpdate( $this->mTitle, $editInfo->output, false );
-               $u->setRecursiveTouch( $changed ); // refresh/invalidate including pages too
-               $u->doUpdate();
-               
-               wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $changed ) );
-
-               if( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
-                       if( 0 == mt_rand( 0, 99 ) ) {
-                               // Flush old entries from the `recentchanges` table; we do this on
-                               // random requests so as to avoid an increase in writes for no good reason
-                               global $wgRCMaxAge;
-                               $dbw = wfGetDB( DB_MASTER );
-                               $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
-                               $recentchanges = $dbw->tableName( 'recentchanges' );
-                               $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
-                               $dbw->query( $sql );
-                       }
-               }
-
-               $id = $this->getID();
-               $title = $this->mTitle->getPrefixedDBkey();
-               $shortTitle = $this->mTitle->getDBkey();
-
-               if( 0 == $id ) {
-                       wfProfileOut( __METHOD__ );
-                       return;
-               }
-
-               $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment, $this->mTotalAdjustment );
-               array_push( $wgDeferredUpdateList, $u );
-               $u = new SearchUpdate( $id, $title, $text );
-               array_push( $wgDeferredUpdateList, $u );
-
-               # If this is another user's talk page, update newtalk
-               # Don't do this if $changed = false otherwise some idiot can null-edit a
-               # load of user talk pages and piss people off, nor if it's a minor edit
-               # by a properly-flagged bot.
-               if( $this->mTitle->getNamespace() == NS_USER_TALK && $shortTitle != $wgUser->getTitleKey() && $changed
-                       && !( $minoredit && $wgUser->isAllowed( 'nominornewtalk' ) ) ) {
-                       if( wfRunHooks('ArticleEditUpdateNewTalk', array( &$this ) ) ) {
-                               $other = User::newFromName( $shortTitle, false );
-                               if( !$other ) {
-                                       wfDebug( __METHOD__.": invalid username\n" );
-                               } elseif( User::isIP( $shortTitle ) ) {
-                                       // An anonymous user
-                                       $other->setNewtalk( true );
-                               } elseif( $other->isLoggedIn() ) {
-                                       $other->setNewtalk( true );
-                               } else {
-                                       wfDebug( __METHOD__. ": don't need to notify a nonexistent user\n" );
-                               }
-                       }
-               }
-
-               if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
-                       $wgMessageCache->replace( $shortTitle, $text );
-               }
-
-               wfProfileOut( __METHOD__ );
-       }
-
-       /**
-        * Perform article updates on a special page creation.
-        *
-        * @param $rev Revision object
-        *
-        * @todo This is a shitty interface function. Kill it and replace the
-        * other shitty functions like editUpdates and such so it's not needed
-        * anymore.
-        */
-       public function createUpdates( $rev ) {
-               $this->mGoodAdjustment = $this->isCountable( $rev->getText() );
-               $this->mTotalAdjustment = 1;
-               $this->editUpdates( $rev->getText(), $rev->getComment(),
-                       $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
-       }
-
-       /**
-        * Generate the navigation links when browsing through an article revisions
-        * It shows the information as:
-        *   Revision as of \<date\>; view current revision
-        *   \<- Previous version | Next Version -\>
-        *
-        * @param $oldid String: revision ID of this article revision
-        */
-       public function setOldSubtitle( $oldid = 0 ) {
-               global $wgLang, $wgOut, $wgUser;
-
-               if( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
-                       return;
-               }
-
-               $revision = Revision::newFromId( $oldid );
-
-               $current = ( $oldid == $this->mLatest );
-               $td = $wgLang->timeanddate( $this->mTimestamp, true );
-               $sk = $wgUser->getSkin();
-               $lnk = $current
-                       ? wfMsgHtml( 'currentrevisionlink' )
-                       : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'currentrevisionlink' ) );
-               $curdiff = $current
-                       ? wfMsgHtml( 'diff' )
-                       : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'diff' ), 'diff=cur&oldid='.$oldid );
-               $prev = $this->mTitle->getPreviousRevisionID( $oldid ) ;
-               $prevlink = $prev
-                       ? $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
-                       : wfMsgHtml( 'previousrevision' );
-               $prevdiff = $prev
-                       ? $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'diff' ), 'diff=prev&oldid='.$oldid )
-                       : wfMsgHtml( 'diff' );
-               $nextlink = $current
-                       ? wfMsgHtml( 'nextrevision' )
-                       : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextrevision' ), 'direction=next&oldid='.$oldid );
-               $nextdiff = $current
-                       ? wfMsgHtml( 'diff' )
-                       : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'diff' ), 'diff=next&oldid='.$oldid );
-
-               $cdel='';
-               if( $wgUser->isAllowed( 'deleterevision' ) ) {
-                       $revdel = SpecialPage::getTitleFor( 'Revisiondelete' );
-                       if( $revision->isCurrent() ) {
-                       // We don't handle top deleted edits too well
-                               $cdel = wfMsgHtml( 'rev-delundel' );
-                       } else if( !$revision->userCan( Revision::DELETED_RESTRICTED ) ) {
-                       // If revision was hidden from sysops
-                               $cdel = wfMsgHtml( 'rev-delundel' );
-                       } else {
-                               $cdel = $sk->makeKnownLinkObj( $revdel,
-                                       wfMsgHtml('rev-delundel'),
-                                       'target=' . urlencode( $this->mTitle->getPrefixedDbkey() ) .
-                                       '&oldid=' . urlencode( $oldid ) );
-                               // Bolden oversighted content
-                               if( $revision->isDeleted( Revision::DELETED_RESTRICTED ) )
-                                       $cdel = "<strong>$cdel</strong>";
-                       }
-                       $cdel = "(<small>$cdel</small>) ";
-               }
-               # Show user links if allowed to see them. Normally they
-               # are hidden regardless, but since we can already see the text here...
-               $userlinks = $sk->revUserTools( $revision, false );
-
-               $m = wfMsg( 'revision-info-current' );
-               $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
-                       ? 'revision-info-current'
-                       : 'revision-info';
-
-               $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" . wfMsgExt( $infomsg, array( 'parseinline', 'replaceafter' ), $td, $userlinks, $revision->getID() ) . "</div>\n" .
-
-                    "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgExt( 'revision-nav', array( 'escapenoentities', 'parsemag', 'replaceafter' ),
-                       $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
-               $wgOut->setSubtitle( $r );
-       }
-
-       /**
-        * This function is called right before saving the wikitext,
-        * so we can do things like signatures and links-in-context.
-        *
-        * @param $text String
-        */
-       public function preSaveTransform( $text ) {
-               global $wgParser, $wgUser;
-               return $wgParser->preSaveTransform( $text, $this->mTitle, $wgUser, ParserOptions::newFromUser( $wgUser ) );
-       }
-
-       /* Caching functions */
-
-       /**
-        * checkLastModified returns true if it has taken care of all
-        * output to the client that is necessary for this request.
-        * (that is, it has sent a cached version of the page)
-        */
-       protected function tryFileCache() {
-               static $called = false;
-               if( $called ) {
-                       wfDebug( "Article::tryFileCache(): called twice!?\n" );
-                       return false;
-               }
-               $called = true;
-               if( $this->isFileCacheable() ) {
-                       $cache = new HTMLFileCache( $this->mTitle );
-                       if( $cache->isFileCacheGood( $this->mTouched ) ) {
-                               wfDebug( "Article::tryFileCache(): about to load file\n" );
-                               $cache->loadFromFileCache();
-                               return true;
-                       } else {
-                               wfDebug( "Article::tryFileCache(): starting buffer\n" );
-                               ob_start( array(&$cache, 'saveToFileCache' ) );
-                       }
-               } else {
-                       wfDebug( "Article::tryFileCache(): not cacheable\n" );
-               }
-               return false;
-       }
-
-       /**
-        * Check if the page can be cached
-        * @return bool
-        */
-       public function isFileCacheable() {
-               $cacheable = false;
-               if( HTMLFileCache::useFileCache() ) {
-                       $cacheable = $this->getID() && !$this->mRedirectedFrom;
-                       // Extension may have reason to disable file caching on some pages.
-                       if( $cacheable ) {
-                               $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
-                       }
-               }
-               return $cacheable;
-       }
-
-       /**
-        * Loads page_touched and returns a value indicating if it should be used
-        *
-        */
-       public function checkTouched() {
-               if( !$this->mDataLoaded ) {
-                       $this->loadPageData();
-               }
-               return !$this->mIsRedirect;
-       }
-
-       /**
-        * Get the page_touched field
-        */
-       public function getTouched() {
-               # Ensure that page data has been loaded
-               if( !$this->mDataLoaded ) {
-                       $this->loadPageData();
-               }
-               return $this->mTouched;
-       }
-
-       /**
-        * Get the page_latest field
-        */
-       public function getLatest() {
-               if( !$this->mDataLoaded ) {
-                       $this->loadPageData();
-               }
-               return $this->mLatest;
-       }
-
-       /**
-        * Edit an article without doing all that other stuff
-        * The article must already exist; link tables etc
-        * are not updated, caches are not flushed.
-        *
-        * @param $text String: text submitted
-        * @param $comment String: comment submitted
-        * @param $minor Boolean: whereas it's a minor modification
-        */
-       public function quickEdit( $text, $comment = '', $minor = 0 ) {
-               wfProfileIn( __METHOD__ );
-
-               $dbw = wfGetDB( DB_MASTER );
-               $revision = new Revision( array(
-                       'page'       => $this->getId(),
-                       'text'       => $text,
-                       'comment'    => $comment,
-                       'minor_edit' => $minor ? 1 : 0,
-                       ) );
-               $revision->insertOn( $dbw );
-               $this->updateRevisionOn( $dbw, $revision );
-
-               wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $wgUser) );
-
-               wfProfileOut( __METHOD__ );
-       }
-
-       /**
-        * Used to increment the view counter
-        *
-        * @param $id Integer: article id
-        */
-       public static function incViewCount( $id ) {
-               $id = intval( $id );
-               global $wgHitcounterUpdateFreq, $wgDBtype;
-
-               $dbw = wfGetDB( DB_MASTER );
-               $pageTable = $dbw->tableName( 'page' );
-               $hitcounterTable = $dbw->tableName( 'hitcounter' );
-               $acchitsTable = $dbw->tableName( 'acchits' );
-
-               if( $wgHitcounterUpdateFreq <= 1 ) {
-                       $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
-                       return;
-               }
-
-               # Not important enough to warrant an error page in case of failure
-               $oldignore = $dbw->ignoreErrors( true );
-
-               $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
-
-               $checkfreq = intval( $wgHitcounterUpdateFreq/25 + 1 );
-               if( (rand() % $checkfreq != 0) or ($dbw->lastErrno() != 0) ){
-                       # Most of the time (or on SQL errors), skip row count check
-                       $dbw->ignoreErrors( $oldignore );
-                       return;
-               }
-
-               $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
-               $row = $dbw->fetchObject( $res );
-               $rown = intval( $row->n );
-               if( $rown >= $wgHitcounterUpdateFreq ){
-                       wfProfileIn( 'Article::incViewCount-collect' );
-                       $old_user_abort = ignore_user_abort( true );
-
-                       if($wgDBtype == 'mysql')
-                               $dbw->query("LOCK TABLES $hitcounterTable WRITE");
-                       $tabletype = $wgDBtype == 'mysql' ? "ENGINE=HEAP " : '';
-                       $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
-                               "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
-                               'GROUP BY hc_id');
-                       $dbw->query("DELETE FROM $hitcounterTable");
-                       if($wgDBtype == 'mysql') {
-                               $dbw->query('UNLOCK TABLES');
-                               $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
-                                       'WHERE page_id = hc_id');
-                       }
-                       else {
-                               $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ".
-                                       "FROM $acchitsTable WHERE page_id = hc_id");
-                       }
-                       $dbw->query("DROP TABLE $acchitsTable");
-
-                       ignore_user_abort( $old_user_abort );
-                       wfProfileOut( 'Article::incViewCount-collect' );
-               }
-               $dbw->ignoreErrors( $oldignore );
-       }
-
-       /**#@+
-        * The onArticle*() functions are supposed to be a kind of hooks
-        * which should be called whenever any of the specified actions
-        * are done.
-        *
-        * This is a good place to put code to clear caches, for instance.
-        *
-        * This is called on page move and undelete, as well as edit
-        *
-        * @param $title a title object
-        */
-
-       public static function onArticleCreate( $title ) {
-               # Update existence markers on article/talk tabs...
-               if( $title->isTalkPage() ) {
-                       $other = $title->getSubjectPage();
-               } else {
-                       $other = $title->getTalkPage();
-               }
-               $other->invalidateCache();
-               $other->purgeSquid();
-
-               $title->touchLinks();
-               $title->purgeSquid();
-               $title->deleteTitleProtection();
-       }
-
-       public static function onArticleDelete( $title ) {
-               global $wgMessageCache;
-               # Update existence markers on article/talk tabs...
-               if( $title->isTalkPage() ) {
-                       $other = $title->getSubjectPage();
-               } else {
-                       $other = $title->getTalkPage();
-               }
-               $other->invalidateCache();
-               $other->purgeSquid();
-
-               $title->touchLinks();
-               $title->purgeSquid();
-
-               # File cache
-               HTMLFileCache::clearFileCache( $title );
-
-               # Messages
-               if( $title->getNamespace() == NS_MEDIAWIKI ) {
-                       $wgMessageCache->replace( $title->getDBkey(), false );
-               }
-               # Images
-               if( $title->getNamespace() == NS_FILE ) {
-                       $update = new HTMLCacheUpdate( $title, 'imagelinks' );
-                       $update->doUpdate();
-               }
-               # User talk pages
-               if( $title->getNamespace() == NS_USER_TALK ) {
-                       $user = User::newFromName( $title->getText(), false );
-                       $user->setNewtalk( false );
-               }
-       }
-
-       /**
-        * Purge caches on page update etc
-        */
-       public static function onArticleEdit( $title, $transclusions = 'transclusions' ) {
-               global $wgDeferredUpdateList;
-
-               // Invalidate caches of articles which include this page
-               if( $transclusions !== 'skiptransclusions' )
-                       $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
-
-               // Invalidate the caches of all pages which redirect here
-               $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
-
-               # Purge squid for this page only
-               $title->purgeSquid();
-
-               # Clear file cache for this page only
-               HTMLFileCache::clearFileCache( $title );
-       }
-
-       /**#@-*/
-
-       /**
-        * Overriden by ImagePage class, only present here to avoid a fatal error
-        * Called for ?action=revert
-        */
-       public function revert() {
-               global $wgOut;
-               $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
-       }
-
-       /**
-        * Info about this page
-        * Called for ?action=info when $wgAllowPageInfo is on.
-        */
-       public function info() {
-               global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
-
-               if( !$wgAllowPageInfo ) {
-                       $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
-                       return;
-               }
-
-               $page = $this->mTitle->getSubjectPage();
-
-               $wgOut->setPagetitle( $page->getPrefixedText() );
-               $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) );
-               $wgOut->setSubtitle( wfMsgHtml( 'infosubtitle' ) );
-
-               if( !$this->mTitle->exists() ) {
-                       $wgOut->addHTML( '<div class="noarticletext">' );
-                       if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
-                               // This doesn't quite make sense; the user is asking for
-                               // information about the _page_, not the message... -- RC
-                               $wgOut->addHTML( htmlspecialchars( wfMsgWeirdKey( $this->mTitle->getText() ) ) );
-                       } else {
-                               $msg = $wgUser->isLoggedIn()
-                                       ? 'noarticletext'
-                                       : 'noarticletextanon';
-                               $wgOut->addHTML( wfMsgExt( $msg, 'parse' ) );
-                       }
-                       $wgOut->addHTML( '</div>' );
-               } else {
-                       $dbr = wfGetDB( DB_SLAVE );
-                       $wl_clause = array(
-                               'wl_title'     => $page->getDBkey(),
-                               'wl_namespace' => $page->getNamespace() );
-                       $numwatchers = $dbr->selectField(
-                               'watchlist',
-                               'COUNT(*)',
-                               $wl_clause,
-                               __METHOD__,
-                               $this->getSelectOptions() );
-
-                       $pageInfo = $this->pageCountInfo( $page );
-                       $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
-
-                       $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
-                       $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
-                       if( $talkInfo ) {
-                               $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
-                       }
-                       $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
-                       if( $talkInfo ) {
-                               $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
-                       }
-                       $wgOut->addHTML( '</ul>' );
-               }
-       }
-
-       /**
-        * Return the total number of edits and number of unique editors
-        * on a given page. If page does not exist, returns false.
-        *
-        * @param $title Title object
-        * @return array
-        */
-       protected function pageCountInfo( $title ) {
-               $id = $title->getArticleId();
-               if( $id == 0 ) {
-                       return false;
-               }
-               $dbr = wfGetDB( DB_SLAVE );
-               $rev_clause = array( 'rev_page' => $id );
-               $edits = $dbr->selectField(
-                       'revision',
-                       'COUNT(rev_page)',
-                       $rev_clause,
-                       __METHOD__,
-                       $this->getSelectOptions()
-               );
-               $authors = $dbr->selectField(
-                       'revision',
-                       'COUNT(DISTINCT rev_user_text)',
-                       $rev_clause,
-                       __METHOD__,
-                       $this->getSelectOptions()
-               );
-               return array( 'edits' => $edits, 'authors' => $authors );
-       }
-
-       /**
-        * Return a list of templates used by this article.
-        * Uses the templatelinks table
-        *
-        * @return Array of Title objects
-        */
-       public function getUsedTemplates() {
-               $result = array();
-               $id = $this->mTitle->getArticleID();
-               if( $id == 0 ) {
-                       return array();
-               }
-               $dbr = wfGetDB( DB_SLAVE );
-               $res = $dbr->select( array( 'templatelinks' ),
-                       array( 'tl_namespace', 'tl_title' ),
-                       array( 'tl_from' => $id ),
-                       __METHOD__ );
-               if( $res !== false ) {
-                       foreach( $res as $row ) {
-                               $result[] = Title::makeTitle( $row->tl_namespace, $row->tl_title );
-                       }
-               }
-               $dbr->freeResult( $res );
-               return $result;
-       }
-
-       /**
-        * Returns a list of hidden categories this page is a member of.
-        * Uses the page_props and categorylinks tables.
-        *
-        * @return Array of Title objects
-        */
-       public function getHiddenCategories() {
-               $result = array();
-               $id = $this->mTitle->getArticleID();
-               if( $id == 0 ) {
-                       return array();
-               }
-               $dbr = wfGetDB( DB_SLAVE );
-               $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
-                       array( 'cl_to' ),
-                       array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
-                               'page_namespace' => NS_CATEGORY, 'page_title=cl_to'),
-                       __METHOD__ );
-               if( $res !== false ) {
-                       foreach( $res as $row ) {
-                               $result[] = Title::makeTitle( NS_CATEGORY, $row->cl_to );
-                       }
-               }
-               $dbr->freeResult( $res );
-               return $result;
-       }
-
-       /**
-       * Return an applicable autosummary if one exists for the given edit.
-       * @param $oldtext String: the previous text of the page.
-       * @param $newtext String: The submitted text of the page.
-       * @param $flags Bitmask: a bitmask of flags submitted for the edit.
-       * @return string An appropriate autosummary, or an empty string.
-       */
-       public static function getAutosummary( $oldtext, $newtext, $flags ) {
-               # Decide what kind of autosummary is needed.
-
-               # Redirect autosummaries
-               $ot = Title::newFromRedirect( $oldtext );
-               $rt = Title::newFromRedirect( $newtext );
-               if( is_object( $rt ) && ( !is_object( $ot ) || !$rt->equals( $ot ) || $ot->getFragment() != $rt->getFragment() ) ) {
-                       return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
-               }
-
-               # New page autosummaries
-               if( $flags & EDIT_NEW && strlen( $newtext ) ) {
-                       # If they're making a new article, give its text, truncated, in the summary.
-                       global $wgContLang;
-                       $truncatedtext = $wgContLang->truncate(
-                               str_replace("\n", ' ', $newtext),
-                               max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ),
-                               '...' );
-                       return wfMsgForContent( 'autosumm-new', $truncatedtext );
-               }
-
-               # Blanking autosummaries
-               if( $oldtext != '' && $newtext == '' ) {
-                       return wfMsgForContent( 'autosumm-blank' );
-               } elseif( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500) {
-                       # Removing more than 90% of the article
-                       global $wgContLang;
-                       $truncatedtext = $wgContLang->truncate(
-                               $newtext,
-                               max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ),
-                               '...'
-                       );
-                       return wfMsgForContent( 'autosumm-replace', $truncatedtext );
-               }
-
-               # If we reach this point, there's no applicable autosummary for our case, so our
-               # autosummary is empty.
-               return '';
-       }
-
-       /**
-        * Add the primary page-view wikitext to the output buffer
-        * Saves the text into the parser cache if possible.
-        * Updates templatelinks if it is out of date.
-        *
-        * @param $text String
-        * @param $cache Boolean
-        */
-       public function outputWikiText( $text, $cache = true ) {
-               global $wgParser, $wgUser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
-
-               $popts = $wgOut->parserOptions();
-               $popts->setTidy(true);
-               $popts->enableLimitReport();
-               $parserOutput = $wgParser->parse( $text, $this->mTitle,
-                       $popts, true, true, $this->getRevIdFetched() );
-               $popts->setTidy(false);
-               $popts->enableLimitReport( false );
-               if( $wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1 ) {
-                       $parserCache = ParserCache::singleton();
-                       $parserCache->save( $parserOutput, $this, $wgUser );
-               }
-               // Make sure file cache is not used on uncacheable content.
-               // Output that has magic words in it can still use the parser cache
-               // (if enabled), though it will generally expire sooner.
-               if( $parserOutput->getCacheTime() == -1 || $parserOutput->containsOldMagic() ) {
-                       $wgUseFileCache = false;
-               }
-
-               if( $this->isCurrent() && !wfReadOnly() && $this->mTitle->areRestrictionsCascading() ) {
-                       // templatelinks table may have become out of sync,
-                       // especially if using variable-based transclusions.
-                       // For paranoia, check if things have changed and if
-                       // so apply updates to the database. This will ensure
-                       // that cascaded protections apply as soon as the changes
-                       // are visible.
-
-                       # Get templates from templatelinks
-                       $id = $this->mTitle->getArticleID();
-
-                       $tlTemplates = array();
-
-                       $dbr = wfGetDB( DB_SLAVE );
-                       $res = $dbr->select( array( 'templatelinks' ),
-                               array( 'tl_namespace', 'tl_title' ),
-                               array( 'tl_from' => $id ),
-                               __METHOD__ );
-
-                       global $wgContLang;
-
-                       if( $res !== false ) {
-                               foreach( $res as $row ) {
-                                       $tlTemplates[] = $wgContLang->getNsText( $row->tl_namespace ) . ':' . $row->tl_title ;
-                               }
-                       }
-
-                       # Get templates from parser output.
-                       $poTemplates_allns = $parserOutput->getTemplates();
-
-                       $poTemplates = array ();
-                       foreach ( $poTemplates_allns as $ns_templates ) {
-                               $poTemplates = array_merge( $poTemplates, $ns_templates );
-                       }
-
-                       # Get the diff
-                       $templates_diff = array_diff( $poTemplates, $tlTemplates );
-
-                       if( count( $templates_diff ) > 0 ) {
-                               # Whee, link updates time.
-                               $u = new LinksUpdate( $this->mTitle, $parserOutput );
-                               $u->doUpdate();
-                       }
-               }
-
-               $wgOut->addParserOutput( $parserOutput );
-       }
-
-       /**
-        * Update all the appropriate counts in the category table, given that
-        * we've added the categories $added and deleted the categories $deleted.
-        *
-        * @param $added array   The names of categories that were added
-        * @param $deleted array The names of categories that were deleted
-        * @return null
-        */
-       public function updateCategoryCounts( $added, $deleted ) {
-               $ns = $this->mTitle->getNamespace();
-               $dbw = wfGetDB( DB_MASTER );
-
-               # First make sure the rows exist.  If one of the "deleted" ones didn't
-               # exist, we might legitimately not create it, but it's simpler to just
-               # create it and then give it a negative value, since the value is bogus
-               # anyway.
-               #
-               # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
-               $insertCats = array_merge( $added, $deleted );
-               if( !$insertCats ) {
-                       # Okay, nothing to do
-                       return;
-               }
-               $insertRows = array();
-               foreach( $insertCats as $cat ) {
-                       $insertRows[] = array( 'cat_title' => $cat );
-               }
-               $dbw->insert( 'category', $insertRows, __METHOD__, 'IGNORE' );
-
-               $addFields    = array( 'cat_pages = cat_pages + 1' );
-               $removeFields = array( 'cat_pages = cat_pages - 1' );
-               if( $ns == NS_CATEGORY ) {
-                       $addFields[]    = 'cat_subcats = cat_subcats + 1';
-                       $removeFields[] = 'cat_subcats = cat_subcats - 1';
-               } elseif( $ns == NS_FILE ) {
-                       $addFields[]    = 'cat_files = cat_files + 1';
-                       $removeFields[] = 'cat_files = cat_files - 1';
-               }
-
-               if( $added ) {
-                       $dbw->update(
-                               'category',
-                               $addFields,
-                               array( 'cat_title' => $added ),
-                               __METHOD__
-                       );
-               }
-               if( $deleted ) {
-                       $dbw->update(
-                               'category',
-                               $removeFields,
-                               array( 'cat_title' => $deleted ),
-                               __METHOD__
-                       );
-               }
-       }
-}