]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - config/index.php
MediaWiki 1.16.0
[autoinstallsdev/mediawiki.git] / config / index.php
index 4d28fe2b9b130ffa6d933d66e47e03057c91bbe5..d913bbb1e8afa811d793a344d213187b25b55b42 100644 (file)
 #
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 # http://www.gnu.org/copyleft/gpl.html
 
-error_reporting( E_ALL );
-header( "Content-type: text/html; charset=utf-8" );
-@ini_set( "display_errors", true );
-
-?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
-        "http://www.w3.org/TR/html4/loose.dtd">
-<html>
-<head>
-       <meta http-equiv="Content-type" content="text/html; charset=utf-8">
-       <meta name="robots" content="noindex,nofollow">
-       <title>MediaWiki 1.5 Installation</title>
-       <style type="text/css">
-       #credit {
-               float: right;
-               width: 200px;
-               font-size: 0.7em;
-               background-color: #eee;
-               color: black;
-               border: solid 1px #444;
-               padding: 8px;
-               margin-left: 8px;
-       }
-
-       dl.setup dd {
-               margin-left: 0;
-       }
-       dl.setup dd label.column {
-               clear: left;
-               font-weight: bold;
-               width: 12em;
-               float: left;
-               text-align: right;
-               padding-right: 1em;
-       }
-       dl.setup dt {
-               clear: left;
-               font-size: 0.8em;
-               margin-left: 10em;
-               /* margin-right: 200px; */
-               margin-bottom: 2em;
-       }
-       .error {
-               color: red;
-       }
-       ul.plain {
-               list-style: none;
-               clear: both;
-               margin-left: 12em;
-       }
-       </style>
-</head>
-
-<body>
-
-<div id="credit">
- <center>
-  <a href="http://www.mediawiki.org/">
-   <img src="../skins/common/images/mediawiki.png" width="135" height="135" alt="" border="0" />
-  </a>
- </center>
-
- <p><strong><a href="http://www.mediawiki.org/">MediaWiki</a></strong> is
- Copyright (C) 2001-2006 by Magnus Manske, Brion Vibber, Lee Daniel Crocker,
- Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
-
- <ul>
-  <li><a href="../README">Readme</a></li>
-  <li><a href="../RELEASE-NOTES">Release notes</a></li>
-  <li><a href="../docs/">doc/</a></li>
-  <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
- </ul>
-
- <p>This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.</p>
-
- <p>This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- GNU General Public License for more details.</p>
-
- <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
-</div>
-
-<?php
-
-# Relative includes seem to break if a parent directory is not readable;
-# this is common for public_html subdirs under user home directories.
-#
-# As a dirty hack, we'll try to set up the include path first.
-#
+# Attempt to set up the include path, to fix problems with relative includes
 $IP = dirname( dirname( __FILE__ ) );
-$sep = (DIRECTORY_SEPARATOR == "\\") ? ";" : ":";
-ini_set( "include_path", ".$sep$IP$sep$IP/includes$sep$IP/languages" );
+define( 'MW_INSTALL_PATH', $IP );
 
+# Define an entry point and include some files
 define( "MEDIAWIKI", true );
 define( "MEDIAWIKI_INSTALL", true );
-require_once( "includes/Defines.php" );
-require_once( "includes/DefaultSettings.php" );
-require_once( "includes/MagicWord.php" );
-require_once( "includes/Namespace.php" );
-?>
-
-<h1>MediaWiki <?php print $wgVersion ?> installation</h1>
-
-
-<?php
-
-/* Check for existing configurations and bug out! */
-
-if( file_exists( "../LocalSettings.php" ) ) {
-       dieout( "<h2>Wiki is configured.</h2>
-
-       <p>Already configured... <a href='../index.php'>return to the wiki</a>.</p>
-
-       <p>(You should probably remove this directory for added security.)</p>" );
-}
-
-if( file_exists( "./LocalSettings.php" ) ) {
-       writeSuccessMessage();
-
-       dieout( '' );
-}
-
-if( !is_writable( "." ) ) {
-       dieout( "<h2>Can't write config file, aborting</h2>
-
-       <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
-       writable by the web server. Once configuration is done you'll move the created
-       <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
-       then remove the <tt>config</tt> subdirectory entirely.</p>
-
-       <p>To make the directory writable on a Unix/Linux system:</p>
-
-       <pre>
-       cd <i>/path/to/wiki</i>
-       chmod a+w config
-       </pre>" );
-}
-
-
-require_once( "install-utils.inc" );
-require_once( "maintenance/updaters.inc" );
-
-class ConfigData {
-       function getEncoded( $data ) {
-               # removing latin1 support, no need...
-               return $data;
-       }
-       function getSitename() { return $this->getEncoded( $this->Sitename ); }
-       function getSysopName() { return $this->getEncoded( $this->SysopName ); }
-       function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
-}
-
-?>
-
-<p><em>Please include all of the lines below when reporting installation problems.</em></p>
-
-<h2>Checking environment...</h2>
-<ul>
-<?php
-$endl = "
-";
-$wgNoOutputBuffer = true;
-$conf = new ConfigData;
-
-install_version_checks();
-
-print "<li>PHP " . phpversion() . ": ok</li>\n";
-
-if( ini_get( "register_globals" ) ) {
-       ?>
-       <li><b class='error'>Warning:</b> <strong>PHP's
-       <tt><a href="http://php.net/register_globals">register_globals</a></tt>
-       option is enabled.</strong> MediaWiki will work correctly, but this setting
-       increases your exposure to potential security vulnerabilities in PHP-based
-       software running on your server. <strong>You should disable it if you are able.</strong></li>
-       <?php
-}
-
-$fatal = false;
-
-if( ini_get( "magic_quotes_runtime" ) ) {
-       $fatal = true;
-       ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.info.php#ini.magic-quotes-runtime'>magic_quotes_runtime</a> is active!</strong>
-       This option corrupts data input unpredictably; you cannot install or use
-       MediaWiki unless this option is disabled.
-       <?php
-}
-
-if( ini_get( "magic_quotes_sybase" ) ) {
-       $fatal = true;
-       ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.sybase.php#ini.magic-quotes-sybase'>magic_quotes_sybase</a> is active!</strong>
-       This option corrupts data input unpredictably; you cannot install or use
-       MediaWiki unless this option is disabled.
-       <?php
-}
-
-if( ini_get( "mbstring.func_overload" ) ) {
-       $fatal = true;
-       ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.mbstring.php#mbstring.overload'>mbstring.func_overload</a> is active!</strong>
-       This option causes errors and may corrupt data unpredictably;
-       you cannot install or use MediaWiki unless this option is disabled.
-       <?php
-}
-
-if( $fatal ) {
-       dieout( "</ul><p>Cannot install wiki.</p>" );
-}
-
-if( ini_get( "safe_mode" ) ) {
-       $conf->safeMode = true;
-       ?>
-       <li><b class='error'>Warning:</b> <strong>PHP's
-       <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
-       You may have problems caused by this, particularly if using image uploads.
-       </li>
-       <?php
-} else {
-       $conf->safeMode = false;
-}
-
-$sapi = php_sapi_name();
-$conf->prettyURLs = true;
-print "<li>PHP server API is $sapi; ";
-switch( $sapi ) {
-case "apache":
-case "apache2handler":
-       print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
-       break;
-default:
-       print "unknown; ";
-case "cgi":
-case "cgi-fcgi":
-case "apache2filter":
-case "isapi":
-       print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
-       $conf->prettyURLs = false;
-       break;
-}
-print "</li>\n";
-
-$conf->xml = function_exists( "utf8_encode" );
-if( $conf->xml ) {
-       print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
-} else {
-       dieout( "PHP's XML module is missing; the wiki requires functions in
-               this module and won't work in this configuration.
-               If you're running Mandrake, install the php-xml package." );
-}
-
-$memlimit = ini_get( "memory_limit" );
-$conf->raiseMemory = false;
-if( empty( $memlimit ) || $memlimit == -1 ) {
-       print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
-} else {
-       print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". <strong>If this is too low, installation may fail!</strong> ";
-       $n = IntVal( $memlimit );
-       if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
-               $n = IntVal( $m[1] * (1024*1024) );
-       }
-       if( $n < 20*1024*1024 ) {
-               print "Attempting to raise limit to 20M... ";
-               if( false === ini_set( "memory_limit", "20M" ) ) {
-                       print "failed.";
-               } else {
-                       $conf->raiseMemory = true;
-                       print "ok.";
-               }
-       }
-       print "</li>\n";
-}
-
-$conf->zlib = function_exists( "gzencode" );
-if( $conf->zlib ) {
-       print "<li>Have zlib support; enabling output compression.</li>\n";
-} else {
-       print "<li>No zlib support.</li>\n";
-}
-
-$conf->turck = function_exists( 'mmcache_get' );
-if ( $conf->turck ) {
-       print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
-}
-$conf->eaccel = function_exists( 'eaccelerator_get' );
-if ( $conf->eaccel ) {
-    $conf->turck = 'eaccelerator';
-    print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
-}
-if (!$conf->turck && !$conf->eaccel) {
-       print "<li>Neither <a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> nor <a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> are installed, " .
-         "can't use object caching functions</li>\n";
-}
-
-$conf->diff3 = false;
-$diff3locations = array("/usr/bin", "/opt/csw/bin", "/usr/gnu/bin", "/usr/sfw/bin") + explode(":", getenv("PATH"));
-$diff3names = array("gdiff3", "diff3");
-
-$diff3versioninfo = array('$1 --version 2>&1', 'diff3 (GNU diffutils)');
-foreach ($diff3locations as $loc) {
-       $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
-       if ($exe !== false) {
-               $conf->diff3 = $exe;
-               break;
-       }
-}
-
-if ($conf->diff3)
-       print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
-else
-       print "<li>GNU diff3 not found.</li>";
-
-$conf->ImageMagick = false;
-$imcheck = array( "/usr/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
-foreach( $imcheck as $dir ) {
-       $im = "$dir/convert";
-       if( file_exists( $im ) ) {
-               print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
-               $conf->ImageMagick = $im;
-               break;
-       }
-}
-
-$conf->HaveGD = function_exists( "imagejpeg" );
-if( $conf->HaveGD ) {
-       print "<li>Found GD graphics library built-in";
-       if( !$conf->ImageMagick ) {
-               print ", image thumbnailing will be enabled if you enable uploads";
-       }
-       print ".</li>\n";
-} else {
-       if( !$conf->ImageMagick ) {
-               print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
-       }
-}
-
-$conf->UseImageResize = $conf->HaveGD || $conf->ImageMagick;
-
-# $conf->IP = "/Users/brion/Sites/inplace";
-$conf->IP = dirname( dirname( __FILE__ ) );
-print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
-
-# $conf->ScriptPath = "/~brion/inplace";
-$conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $_SERVER["PHP_SELF"] ); # was SCRIPT_NAME
-print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
-
-       $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
-
-       $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
-       $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
-               ? 'root@localhost'
-               : $_SERVER["SERVER_ADMIN"];
-       $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
-       $conf->DBserver = importPost( "DBserver", "localhost" );
-       $conf->DBname = importPost( "DBname", "wikidb" );
-       $conf->DBuser = importPost( "DBuser", "wikiuser" );
-       $conf->DBpassword = importPost( "DBpassword" );
-       $conf->DBpassword2 = importPost( "DBpassword2" );
-       $conf->DBprefix = importPost( "DBprefix" );
-       $conf->DBmysql5 = (importPost( "DBmysql5" ) == "true") ? "true" : "false";
-       $conf->RootUser = importPost( "RootUser", "root" );
-       $conf->RootPW = importPost( "RootPW", "-" );
-       $conf->LanguageCode = importPost( "LanguageCode", "en" );
-       $conf->SysopName = importPost( "SysopName", "WikiSysop" );
-       $conf->SysopPass = importPost( "SysopPass" );
-       $conf->SysopPass2 = importPost( "SysopPass2" );
-
-/* Check for validity */
-$errs = array();
-
-if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
-       $errs["Sitename"] = "Must not be blank or \"MediaWiki\".";
-}
-if( $conf->DBuser == "" ) {
-       $errs["DBuser"] = "Must not be blank";
-}
-if( $conf->DBpassword == "" ) {
-       $errs["DBpassword"] = "Must not be blank";
-}
-if( $conf->DBpassword != $conf->DBpassword2 ) {
-       $errs["DBpassword2"] = "Passwords don't match!";
-}
-if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
-       $errs["DBprefix"] = "Invalid table prefix";
-}
-
-if( $conf->SysopPass == "" ) {
-       $errs["SysopPass"] = "Must not be blank";
-}
-if( $conf->SysopPass != $conf->SysopPass2 ) {
-       $errs["SysopPass2"] = "Passwords don't match!";
-}
-
-$conf->License = importRequest( "License", "none" );
-if( $conf->License == "gfdl" ) {
-       $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
-       $conf->RightsText = "GNU Free Documentation License 1.2";
-       $conf->RightsCode = "gfdl";
-       $conf->RightsIcon = '${wgStylePath}/common/images/gnu-fdl.png';
-} elseif( $conf->License == "none" ) {
-       $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
-} else {
-       $conf->RightsUrl = importRequest( "RightsUrl", "" );
-       $conf->RightsText = importRequest( "RightsText", "" );
-       $conf->RightsCode = importRequest( "RightsCode", "" );
-       $conf->RightsIcon = importRequest( "RightsIcon", "" );
-}
-
-$conf->Shm = importRequest( "Shm", "none" );
-$conf->MCServers = importRequest( "MCServers" );
-
-/* Test memcached servers */
-
-if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
-       $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
-       foreach ( $conf->MCServerArray as $server ) {
-               $error = testMemcachedServer( $server );
-               if ( $error ) {
-                       $errs["MCServers"] = $error;
-                       break;
-               }
-       }
-} else if ( $conf->Shm == 'memcached' ) {
-       $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
-}
-
-/* default values for installation */
-$conf->Email   =importRequest("Email", "email_enabled");
-$conf->Emailuser=importRequest("Emailuser", "emailuser_enabled");
-$conf->Enotif  =importRequest("Enotif", "enotif_allpages");
-$conf->Eauthent        =importRequest("Eauthent", "eauthent_enabled");
-
-if( $conf->posted && ( 0 == count( $errs ) ) ) {
-       do { /* So we can 'continue' to end prematurely */
-               $conf->Root = ($conf->RootPW != "");
-
-               /* Load up the settings and get installin' */
-               $local = writeLocalSettings( $conf );
-               $wgCommandLineMode = false;
-               chdir( ".." );
-               eval($local);
-               $wgDBadminuser = "root";
-               $wgDBadminpassword = $conf->RootPW;
-               $wgDBprefix = $conf->DBprefix;
-               $wgCommandLineMode = true;
-               $wgUseDatabaseMessages = false; /* FIXME: For database failure */
-               require_once( "includes/Setup.php" );
-               chdir( "config" );
-
-               require_once( "maintenance/InitialiseMessages.inc" );
-
-               $wgTitle = Title::newFromText( "Installation script" );
-               $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
-               if( $mysqlOldClient ) {
-                       print "<li><b>PHP is linked with old MySQL client libraries. If you are
-                               using a MySQL 4.1 server and have problems connecting to the database,
-                               see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
-                               >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
-               }
-               
-               # Determine how we're going to connect to the database
-               if( $conf->RootPW == '-' ) {
-                       # Regular user
-                       $conf->Root = false;
-                       $db_user = $wgDBuser;
-                       $db_pass = $wgDBpassword;
-               } else {
-                       # Superuser
-                       $conf->Root = true;
-                       $db_user = $conf->RootUser;
-                       $db_pass = $conf->RootPW;
-               }
-               
-               # Now attempt the connection
-               echo( "<li>Connecting to $wgDBname on $wgDBserver as $db_user..." );
-               $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, "", 1 );
-               if( $wgDatabase->isOpen() ) {
-                       # We're in; set up a few variables
-                       $ok = true;
-                       echo( "success.</li>\n" );
-                       $wgDatabase->ignoreErrors( true );
-                       $myver = mysql_get_server_info( $wgDatabase->mConn );
-                       $wgDBadminuser = $db_user;
-                       $wgDBadminpassword = $db_pass;
-               } else {
-                       # There was an error; if we recognise it, give some useful feedback
-                       $ok = false;
-                       $errno = mysql_errno();
-                       $errtx = htmlspecialchars( mysql_error() );
-                       echo( "failed with error $errno: $errtx.</li>\n" );
-                       switch( $errno ) {
-                               case 1045:
-                               case 2000:
-                                       # Authentication
-                                       if( $conf->Root ) {
-                                               # The superuser details are wrong
-                                               $errs["RootUser"] = "Check username";
-                                               $errs["RootPW"] = "and password";
-                                       } else {
-                                               # The regular user details are wrong
-                                               $errs["DBuser"] = "Check username";
-                                               $errs["DBpassword"] = "and password";
-                                       }
-                                       break;
-                               default:
-                                       # Something else
-                                       $errs["DBserver"] = "Couldn't connect to database";
-                                       break;
-                       } # switch
-               } # conn att
-
-               if( !$ok ) continue;
-
-               # Print out the mySQL version and enable mySQL 4 enhancements as needed
-               echo( "<li>Connected to $myver" );
-               if( version_compare( $myver, "4.0.0" ) >= 0 ) {
-                       echo( "; using enhancements for mySQL 4.</li>" );
-                       $conf->DBmysql4 = true;
-                       $local = writeLocalSettings( $conf );
-               }
-               
-               # Check for possible authentication problems re. password encryption in newer mySQL versions
-               $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
-               if( $mysqlNewAuth && $mysqlOldClient ) {
-                       echo( "<li><span class=\"error\"><strong>You are using mySQL 4.1, however, PHP is linked to older client libraries. If you encounter authentication problems, see <a href=\"http://dev.mysql.com/doc/mysql/en/old-client.html\">http://dev.mysql.com/doc/mysql/en/old-client.html</a> for pertinent solutions.</strong></span></li>\n" );
-               }
-               
-               # Check versions with regards to character sets, cough up an error if there are inconsistencies
-               if( $wgDBmysql5 ) {
-                       if( $mysqlNewAuth ) {
-                               echo( "<li>Enabling mySQL 4.1/5.0 character set mode.</li>\n" );
-                       } else {
-                               echo( "<li><span class=\"error\"><strong>mySQL 4.1/5.0 character set mode has been enabled, however, an older version of mySQL has been detected. This will likely cause the installation to fail.</li>\n" );
-                       }
-               }
-
-               @$sel = mysql_select_db( $wgDBname, $wgDatabase->mConn );
-               if( $sel ) {
-                       print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
-               } else {
-                       $err = mysql_errno();
-                       if ( $err != 1049 ) {
-                               print "<ul><li>Error selecting database $wgDBname: $err " . htmlspecialchars( mysql_error() ) .
-                                       "</li></ul>";
-                               continue;
-                       }
-                       $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
-                       if( !$res ) {
-                               print "<li>Couldn't create database <tt>" .
-                                       htmlspecialchars( $wgDBname ) .
-                                       "</tt>; try with root access or check your username/pass.</li>\n";
-                               $errs["RootPW"] = "&lt;- Enter";
-                               continue;
-                       }
-                       print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
-               }
-
-               $wgDatabase->selectDB( $wgDBname );
-
-               if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
-                       print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
-
-                       # Create user if required
-                       if ( $conf->Root ) {
-                               $conn = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
-                               if ( $conn->isOpen() ) {
-                                       print "<li>DB user account ok</li>\n";
-                                       $conn->close();
-                               } else {
-                                       print "<li>Granting user permissions...";
-                                       if( $mysqlOldClient && $mysqlNewAuth ) {
-                                               print " <b class='error'>If the next step fails, see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'>http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
-                                       }
-                                       print "</li>\n";
-                                       dbsource( "../maintenance/users.sql", $wgDatabase );
-                               }
-                       }
-                       print "<pre>\n";
-                       chdir( ".." );
-                       flush();
-                       do_all_updates();
-                       chdir( "config" );
-
-                       print "</pre>\n";
-                       print "<li>Finished update checks.</li>\n";
-               } else {
-                       # FIXME: Check for errors
-                       print "<li>Creating tables...";
-                       if( $wgDBmysql5 ) {
-                               print " using MySQL 5 table defs...";
-                               dbsource( "../maintenance/mysql5/tables.sql", $wgDatabase );
-                       } else {
-                               print " using MySQL 3/4 table defs...";
-                               dbsource( "../maintenance/tables.sql", $wgDatabase );
-                       }
-                       dbsource( "../maintenance/interwiki.sql", $wgDatabase );
-                       print " done.</li>\n";
-
-                       print "<li>Initializing data...";
-                       $wgDatabase->insert( 'site_stats',
-                               array( 'ss_row_id'        => 1,
-                                      'ss_total_views'   => 0,
-                                      'ss_total_edits'   => 0,
-                                      'ss_good_articles' => 0 ) );
-
-
-                       # Set up the DB user if we (i) can and (ii) need to
-                       if( $conf->Root ) {
-                               $db = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
-                               if( $db->isOpen() ) {
-                                       $db->close();
-                               } else {
-                                       print "<li>Granting user permissions...</li>\n";
-                                       dbsource( "../maintenance/users.sql", $wgDatabase );
-                                       $db->close();
-                               }
-                       }
-
-                       if( $conf->SysopName ) {
-                               $u = User::newFromName( $conf->getSysopName() );
-                               if ( 0 == $u->idForName() ) {
-                                       $u->addToDatabase();
-                                       $u->setPassword( $conf->getSysopPass() );
-                                       $u->saveSettings();
-
-                                       $u->addGroup( "sysop" );
-                                       $u->addGroup( "bureaucrat" );
-
-                                       print "<li>Created sysop account <tt>" .
-                                               htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
-                               } else {
-                                       print "<li>Could not create user - already exists!</li>\n";
-                               }
-                       } else {
-                               print "<li>Skipped sysop account creation, no name given.</li>\n";
-                       }
-
-                       $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
-                       $article = new Article( $titleobj );
-                       $newid = $article->insertOn( $wgDatabase );
-                       $revision = new Revision( array(
-                               'page'      => $newid,
-                               'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsg( 'mainpagedocfooter' ),
-                               'comment'   => '',
-                               'user'      => 0,
-                               'user_text' => 'MediaWiki default',
-                               ) );
-                       $revid = $revision->insertOn( $wgDatabase );
-                       $article->updateRevisionOn( $wgDatabase, $revision );
-
-                       print "<li><pre>";
-                       initialiseMessages();
-                       print "</pre></li>\n";
-               }
-
-               /* Write out the config file now that all is well */
-               print "<p>Creating LocalSettings.php...</p>\n\n";
-               $localSettings =  "<" . "?php$endl$local$endl?" . ">";
-               // Fix up a common line-ending problem (due to CVS on Windows)
-               $localSettings = str_replace( "\r\n", "\n", $localSettings );
-
-               if( version_compare( phpversion(), "4.3.2" ) >= 0 ) {
-                       $xt = "xt"; # Refuse to overwrite an existing file
-               } else {
-                       $xt = "wt"; # 'x' is not available prior to PHP 4.3.2. We did check above, but race conditions blah blah
-               }
-               $f = fopen( "LocalSettings.php", $xt );
-
-               if( $f == false ) {
-                       dieout( "<p>Couldn't write out LocalSettings.php. Check that the directory permissions are correct and that there isn't already a file of that name here...</p>\n" .
-                       "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
-                       "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
-               }
-               if(fwrite( $f, $localSettings ) ) {
-                       fclose( $f );
-                       writeSuccessMessage();
-               } else {
-                       fclose( $f );
-                       die("<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p>\n");
-
-               }
-
-       } while( false );
-}
-?>
-</ul>
-
-
-<?php
-
-if( count( $errs ) ) {
-       /* Display options form */
-
-       if( $conf->posted ) {
-               echo "<p class='error'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
-       }
-?>
-
-<form action="index.php" name="config" method="post">
-
-
-<h2>Site config</h2>
-
-<dl class="setup">
-       <dd>
-               <?php
-               aField( $conf, "Sitename", "Site name:" );
-               ?>
-       </dd>
-       <dt>
-               Your site name should be a relatively short word. It'll appear as the namespace
-               name for 'meta' pages as well as throughout the user interface. Good site names
-               are things like "<a href="http://www.wikipedia.org/">Wikipedia</a>" and
-               "<a href="http://openfacts.berlios.de/">OpenFacts</a>"; avoid punctuation,
-               which may cause problems.
-       </dt>
-
-       <dd>
-               <?php
-               aField( $conf, "EmergencyContact", "Contact e-mail" );
-               ?>
-       </dd>
-       <dt>
-               This will be used as the return address for password reminders and
-               may be displayed in some error conditions so visitors can get in
-               touch with you. It is also be used as the default sender address of e-mail
-               notifications (enotifs).
-       </dt>
-
-       <dd>
-               <label class='column' for="LanguageCode">Language</label>
-               <select id="LanguageCode" name="LanguageCode">
-
-               <?php
-                       $list = getLanguageList();
-                       foreach( $list as $code => $name ) {
-                               $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
-                               echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
-                       }
-               ?>
-               </select>
-       </dd>
-       <dt>
-               You may select the language for the user interface of the wiki...
-               Some localizations are less complete than others. Unicode (UTF-8 encoding)
-               is used for all localizations.
-       </dt>
-
-       <dd>
-               <label class='column'>Copyright/license metadata</label>
-               <div>Select one:</div>
-
-               <ul class="plain">
-               <li><?php aField( $conf, "License", "no license metadata", "radio", "none" ); ?></li>
-               <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
-               <li><?php
-                       aField( $conf, "License", "a Creative Commons license...", "radio", "cc" );
-                       $partner = "MediaWiki";
-                       $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
-                       $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
-                       $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
-                       print "<a href=\"$ccApp\">choose</a>";
-                       ?> (link will wipe out any other data in this form!)
-               <?php if( $conf->License == "cc" ) { ?>
-                       <ul>
-                               <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='icon' />", "hidden" ); ?></li>
-                               <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
-                               <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
-                               <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
-                       </ul>
-               <?php } ?>
-                       </li>
-               </ul>
-       </dd>
-       <dt>
-               MediaWiki can include a basic license notice, icon, and machine-readable
-               copyright metadata if your wiki's content is to be licensed under
-               the GNU FDL or a Creative Commons license. If you're not sure, leave
-               it at "none".
-       </dt>
-
-
-       <dd>
-               <?php aField( $conf, "SysopName", "Sysop account name:", "" ) ?>
-       </dd>
-       <dd>
-               <?php aField( $conf, "SysopPass", "password:", "password" ) ?>
-       </dd>
-       <dd>
-               <?php aField( $conf, "SysopPass2", "again:", "password" ) ?>
-       </dd>
-       <dt>
-               A sysop user account can lock or delete pages, block problematic IP
-               addresses from editing, and other maintenance tasks. If creating a new
-               wiki database, a sysop account will be created with the given name
-               and password.
-       </dt>
-
-       <dd>
-               <label class='column'>Shared memory caching</label>
-               <div>Select one:</div>
-
-               <ul class="plain">
-               <li><?php aField( $conf, "Shm", "no caching", "radio", "none" ); ?></li>
-               <?php
-                       if ( $conf->turck ) {
-                               echo "<li>";
-                               aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
-                               echo "</li>";
-                       }
-               ?>
-               <?php
-                       if ( $conf->eaccel ) {
-                               echo "<li>";
-                               aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
-                               echo "</li>";
-                       }
-               ?>
-               <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
-               <li><?php aField( $conf, "MCServers", "Memcached servers", "" ) ?></li>
-               </ul>
-       </dd>
-       <dt>
-               Using a shared memory system such as Turck MMCache, eAccelerator, or Memcached will speed
-               up MediaWiki significantly. Memcached is the best solution but needs to be
-               installed. Specify the server addresses and ports in a comma-separted list. Only
-               use Turck shared memory if the wiki will be running on a single Apache server.
-       </dl>
-
-<h2>E-mail, e-mail notification and authentication setup</h2>
-
-<dl class="setup">
-       <dd>
-               <label class='column'>E-mail (general)</label>
-               <div>Select one:</div>
-
-               <ul class="plain">
-               <li><?php aField( $conf, "Email", "enabled", "radio", "email_enabled" ); ?></li>
-               <li><?php aField( $conf, "Email", "disabled", "radio", "email_disabled" ); ?></li>
-               </ul>
-       </dd>
-       <dt>
-               Use this to disable all e-mail functions (send a password reminder, user-to-user e-mail and e-mail notification),
-               if sending e-mails on your server doesn't work.
-       </dt>
-       <dd>
-               <label class='column'>User-to-user e-mail</label>
-               <div>Select one:</div>
-
-               <ul class="plain">
-               <li><?php aField( $conf, "Emailuser", "enabled", "radio", "emailuser_enabled" ); ?></li>
-               <li><?php aField( $conf, "Emailuser", "disabled", "radio", "emailuser_disabled" ); ?></li>
-               </ul>
-       </dd>
-       <dt>
-               Use this to disable only the user-to-user e-mail function (EmailUser).
-       </dt>
-       <dd>
-               <label class='column'>E-mail notification</label>
-               <div>Select one:</div>
-
-               <ul class="plain">
-               <li><?php aField( $conf, "Enotif", "disabled", "radio", "enotif_disabled" ); ?></li>
-               <li><?php aField( $conf, "Enotif", "enabled for changes of watch-listed and user_talk pages (recommended for small wikis; perhaps not suited for large wikis)", "radio", "enotif_allpages" ); ?></li>
-               <li><?php aField( $conf, "Enotif", "enabled for changes of user_talk pages only (suited for small and large wikis)", "radio", "enotif_usertalk" ); ?></li>
-               </ul>
-       </dd>
-       <dt>
-               <p>
-               E-mail notification sends a notification e-mail to a user, when the user_talk page is changed
-                and/or when watch-listed pages are changed, depending on the above settings.
-               When testing this feature, be reminded, that obviously an e-mail address must be present in your preferences
-               and that your own changes never trigger notifications to be sent to yourself.</p>
-
-               <p>Users get corresponding options to select or deselect in their users' preferences.
-               The user options are not shown on the preference page, if e-mail notification is disabled.</p>
-
-               <p>There are additional options for fine tuning in /includes/DefaultSettings.php .</p>
-       </dt>
-
-       <dd>
-               <label class='column'>E-mail address authentication</label>
-               <div>Select one:</div>
-
-               <ul class="plain">
-               <li><?php aField( $conf, "Eauthent", "disabled", "radio", "eauthent_disabled" ); ?></li>
-               <li><?php aField( $conf, "Eauthent", "enabled", "radio", "eauthent_enabled" ); ?></li>
-               </ul>
-       </dd>
-       <dt>
-               <p>E-mail address authentication uses a scheme to authenticate e-mail addresses of the users. The user who initially enters or changes his/her stored e-mail address
-               gets a link with a token mailed to that address. The stored e-mail address is authenticated at the moment the user comes back to the wiki via the link.</p>
-
-               <p>The e-mail address stays authenticated as long as the user does not change it; the time of authentication is indicated
-               on the user preference page.</p>
-
-               <p>If the option is enabled, only authenticated e-mail addresses can receive EmailUser mails and/or
-               e-mail notification mails.</p>
-       </dt>
-
-       </dl>
-
-<h2>Database config</h2>
-
-<dl class="setup">
-       <dd><?php
-               aField( $conf, "DBserver", "MySQL server" );
-       ?></dd>
-       <dt>
-               If your database server isn't on your web server, enter the name
-               or IP address here.
-       </dt>
-
-       <dd><?php
-               aField( $conf, "DBname", "Database name" );
-       ?></dd>
-       <dd><?php
-               aField( $conf, "DBuser", "DB username" );
-       ?></dd>
-       <dd><?php
-               aField( $conf, "DBpassword", "DB password", "password" );
-       ?></dd>
-       <dd><?php
-               aField( $conf, "DBpassword2", "again", "password" );
-       ?></dd>
-       <dt>
-               If you only have a single user account and database available,
-               enter those here. If you have database root access (see below)
-               you can specify new accounts/databases to be created.
-       </dt>
-
-       <dd><?php
-               aField( $conf, "DBprefix", "Database table prefix" );
-       ?></dd>
-       <dt>
-               <p>If you need to share one database between multiple wikis, or
-               MediaWiki and another web application, you may choose to
-               add a prefix to all the table names to avoid conflicts.</p>
-
-               <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
-       </dt>
-       
-       <dd><label class="column">Database charset</label>
-               <div>Select one:</div>
-               <ul class="plain">
-               <li><?php aField( $conf, "DBmysql5", "Backwards-compatible UTF-8", "radio", "false" ); ?></li>
-               <li><?php aField( $conf, "DBmysql5", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "true" ); ?></li>
-               </ul>
-       </dd>
-       <dt>
-               <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
-               for MySQL 4.1 and 5.0 servers. This is not well tested and may
-               cause things to break. <b>If upgrading an older installation, leave
-               in backwards-compatible mode.</b>
-       </dt>
-
-       <dd>
-               <?php
-               aField( $conf, "RootUser", "Super user:", "text" );
-               ?>
-       </dd>
-
-       <dd>
-               <?php
-               aField( $conf, "RootPW", "Password:", "password" );
-               ?>
-       </dd>
-       <dt>
-               If the database user specified above does not exist, or does not have permissions to create
-               the database or tables required, please provide details of a superuser account, such as <strong>root</strong>,
-               which does. If this is not needed, leave the password set to <strong>-</strong>.
-       </dt>
-
-       <dd>
-               <label class='column'>&nbsp;</label>
-               <input type="submit" value="Install!" />
-       </dd>
-</dl>
-
-
-</form>
-
-<?php
-}
-
-/* -------------------------------------------------------------------------------------- */
-function writeSuccessMessage() {
-       global $conf;
-       if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
-               echo <<<EOT
-<p>Installation successful!</p>
-<p>To complete the installation, please do the following:
-<ol>
-       <li>Download config/LocalSettings.php with your FTP client or file manager</li>
-       <li>Upload it to the parent directory</li>
-       <li>Delete config/LocalSettings.php</li>
-       <li>Start using <a href='../index.php'>your wiki</a>!
-</ol>
-<p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
-remotely. LocalSettings.php is currently owned by the user your webserver is running under,
-which means that anyone on the same server can read your database password! Downloading
-it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
-EOT;
-       } else {
-               echo "<p>Installation successful! Move the config/LocalSettings.php file into the parent directory, then follow
-                       <a href='../index.php'>this link</a> to your wiki.</p>\n";
-       }
-}
-
-
-function escapePhpString( $string ) {
-       return strtr( $string,
-               array(
-                       "\n" => "\\n",
-                       "\r" => "\\r",
-                       "\t" => "\\t",
-                       "\\" => "\\\\",
-                       "\$" => "\\\$",
-                       "\"" => "\\\""
-               ));
-}
-
-function writeLocalSettings( $conf ) {
-       $conf->DBmysql4 = @$conf->DBmysql4 ? 'true' : 'false';
-       $conf->UseImageResize = $conf->UseImageResize ? 'true' : 'false';
-       $conf->PasswordSender = $conf->EmergencyContact;
-       $zlib = ($conf->zlib ? "" : "# ");
-       $magic = ($conf->ImageMagick ? "" : "# ");
-       $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
-       $pretty = ($conf->prettyURLs ? "" : "# ");
-       $ugly = ($conf->prettyURLs ? "# " : "");
-       $rights = ($conf->RightsUrl) ? "" : "# ";
-       $hashedUploads = $conf->safeMode ? '' : '# ';
-
-       switch ( $conf->Shm ) {
-               case 'memcached':
-                       $cacheType = 'CACHE_MEMCACHED';
-                       $mcservers = var_export( $conf->MCServerArray, true );
-                       break;
-               case 'turck':
-               case 'eaccel':
-                       $cacheType = 'CACHE_ACCEL';
-                       $mcservers = 'array()';
-                       break;
-               default:
-                       $cacheType = 'CACHE_NONE';
-                       $mcservers = 'array()';
-       }
-
-       if ( $conf->Email == 'email_enabled' ) {
-               $enableemail = 'true';
-               $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
-               $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
-               switch ( $conf->Enotif ) {
-                       case 'enotif_usertalk':
-                               $enotifusertalk = 'true';
-                               $enotifwatchlist = 'false';
-                               break;
-                       case 'enotif_allpages':
-                               $enotifusertalk = 'true';
-                               $enotifwatchlist = 'true';
-                               break;
-                       default:
-                               $enotifusertalk = 'false';
-                               $enotifwatchlist = 'false';
-               }
-       } else {
-               $enableuseremail = 'false';
-               $enableemail = 'false';
-               $eauthent = 'false';
-               $enotifusertalk = 'false';
-               $enotifwatchlist = 'false';
-       }
-
-       $file = @fopen( "/dev/urandom", "r" );
-       if ( $file ) {
-               $secretKey = bin2hex( fread( $file, 32 ) );
-               fclose( $file );
-       } else {
-               $secretKey = "";
-               for ( $i=0; $i<8; $i++ ) {
-                       $secretKey .= dechex(mt_rand(0, 0x7fffffff));
-               }
-               print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
-       }
-
-       # Add slashes to strings for double quoting
-       $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
-       if( $conf->License == 'gfdl' ) {
-               # Needs literal string interpolation for the current style path
-               $slconf['RightsIcon'] = $conf->RightsIcon;
-       }
-
-       $sep = (DIRECTORY_SEPARATOR == "\\") ? ";" : ":";
-       $localsettings = "
-# This file was automatically generated by the MediaWiki installer.
-# If you make manual changes, please keep track in case you need to
-# recreate them later.
-
-\$IP = \"{$slconf['IP']}\";
-ini_set( \"include_path\", \".$sep\$IP$sep\$IP/includes$sep\$IP/languages\" );
-require_once( \"includes/DefaultSettings.php\" );
-
-# If PHP's memory limit is very low, some operations may fail.
-" . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
-
-if ( \$wgCommandLineMode ) {
-       if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
-               die( \"This script must be run from the command line\\n\" );
-       }
-} elseif ( empty( \$wgNoOutputBuffer ) ) {
-       ## Compress output if the browser supports it
-       {$zlib}if( !ini_get( 'zlib.output_compression' ) ) @ob_start( 'ob_gzhandler' );
-}
-
-\$wgSitename         = \"{$slconf['Sitename']}\";
-
-\$wgScriptPath     = \"{$slconf['ScriptPath']}\";
-\$wgScript           = \"\$wgScriptPath/index.php\";
-\$wgRedirectScript   = \"\$wgScriptPath/redirect.php\";
-
-## If using PHP as a CGI module, use the ugly URLs
-{$pretty}\$wgArticlePath      = \"\$wgScript/\$1\";
-{$ugly}\$wgArticlePath      = \"\$wgScript?title=\$1\";
-
-\$wgStylePath        = \"\$wgScriptPath/skins\";
-\$wgStyleDirectory   = \"\$IP/skins\";
-\$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
-
-\$wgUploadPath       = \"\$wgScriptPath/images\";
-\$wgUploadDirectory  = \"\$IP/images\";
-
-\$wgEnableEmail = $enableemail;
-\$wgEnableUserEmail = $enableuseremail;
-
-\$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
-\$wgPasswordSender     = \"{$slconf['PasswordSender']}\";
-
-## For a detailed description of the following switches see
-## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
-## There are many more options for fine tuning available see
-## /includes/DefaultSettings.php
-## UPO means: this is also a user preference option
-\$wgEnotifUserTalk = $enotifusertalk; # UPO
-\$wgEnotifWatchlist = $enotifwatchlist; # UPO
-\$wgEmailAuthentication = $eauthent;
-
-\$wgDBserver         = \"{$slconf['DBserver']}\";
-\$wgDBname           = \"{$slconf['DBname']}\";
-\$wgDBuser           = \"{$slconf['DBuser']}\";
-\$wgDBpassword       = \"{$slconf['DBpassword']}\";
-\$wgDBprefix         = \"{$slconf['DBprefix']}\";
-
-# If you're on MySQL 3.x, this next line must be FALSE:
-\$wgDBmysql4 = {$conf->DBmysql4};
-
-# Experimental charset support for MySQL 4.1/5.0.
-\$wgDBmysql5 = {$conf->DBmysql5};
-
-## Shared memory settings
-\$wgMainCacheType = $cacheType;
-\$wgMemCachedServers = $mcservers;
-
-## To enable image uploads, make sure the 'images' directory
-## is writable, then uncomment this:
-# \$wgEnableUploads            = true;
-\$wgUseImageResize             = {$conf->UseImageResize};
-{$magic}\$wgUseImageMagick = true;
-{$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
-
-## If you want to use image uploads under safe mode,
-## create the directories images/archive, images/thumb and
-## images/temp, and make them all writable. Then uncomment
-## this, if it's not already uncommented:
-{$hashedUploads}\$wgHashedUploadDirectory = false;
-
-## If you have the appropriate support software installed
-## you can enable inline LaTeX equations:
-# \$wgUseTeX                   = true;
-\$wgMathPath         = \"{\$wgUploadPath}/math\";
-\$wgMathDirectory    = \"{\$wgUploadDirectory}/math\";
-\$wgTmpDirectory     = \"{\$wgUploadDirectory}/tmp\";
-
-\$wgLocalInterwiki   = \$wgSitename;
-
-\$wgLanguageCode = \"{$slconf['LanguageCode']}\";
-
-\$wgProxyKey = \"$secretKey\";
-
-## Default skin: you can change the default skin. Use the internal symbolic
-## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
-# \$wgDefaultSkin = 'monobook';
-
-## For attaching licensing metadata to pages, and displaying an
-## appropriate copyright notice / icon. GNU Free Documentation
-## License and Creative Commons licenses are supported so far.
-{$rights}\$wgEnableCreativeCommonsRdf = true;
-\$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
-\$wgRightsUrl = \"{$slconf['RightsUrl']}\";
-\$wgRightsText = \"{$slconf['RightsText']}\";
-\$wgRightsIcon = \"{$slconf['RightsIcon']}\";
-# \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
-
-\$wgDiff3 = \"{$slconf['diff3']}\";
-";
-       // Keep things in Unix line endings internally;
-       // the system will write out as local text type.
-       return str_replace( "\r\n", "\n", $localsettings );
-}
-
-function dieout( $text ) {
-       die( $text . "\n\n</body>\n</html>" );
-}
-
-function importVar( &$var, $name, $default = "" ) {
-       if( isset( $var[$name] ) ) {
-               $retval = $var[$name];
-               if ( get_magic_quotes_gpc() ) {
-                       $retval = stripslashes( $retval );
-               }
-       } else {
-               $retval = $default;
-       }
-       return $retval;
-}
-
-function importPost( $name, $default = "" ) {
-       return importVar( $_POST, $name, $default );
-}
-
-function importRequest( $name, $default = "" ) {
-       return importVar( $_REQUEST, $name, $default );
-}
-
-function aField( &$conf, $field, $text, $type = "", $value = "" ) {
-       if( $type != "" ) {
-               $xtype = "type=\"$type\"";
-       } else {
-               $xtype = "";
-       }
-
-       if(!(isset($id)) or ($id == "") ) $id = $field;
-       $nolabel = ($type == "radio") || ($type == "hidden");
-       if( $nolabel ) {
-               echo "\t\t<label>";
-       } else {
-               echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
-       }
-
-       if( $type == "radio" && $value == $conf->$field ) {
-               $checked = "checked='checked'";
-       } else {
-               $checked = "";
-       }
-       echo "\t\t<input $xtype name=\"$field\" id=\"$id\" $checked value=\"";
-       if( $type == "radio" ) {
-               echo htmlspecialchars( $value );
-       } else {
-               echo htmlspecialchars( $conf->$field );
-       }
-       echo "\" />\n";
-       if( $nolabel ) {
-               echo " $text</label>\n";
-       }
-
-       global $errs;
-       if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
-}
-
-function getLanguageList() {
-       global $wgLanguageNames;
-       if( !isset( $wgLanguageNames ) ) {
-               $wgContLanguageCode = "xxx";
-               function wfLocalUrl( $x ) { return $x; }
-               function wfLocalUrlE( $x ) { return $x; }
-               require_once( "languages/Names.php" );
-       }
-
-       $codes = array();
-
-       $d = opendir( "../languages" );
-       while( false !== ($f = readdir( $d ) ) ) {
-               if( preg_match( '/Language([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
-                       $code = str_replace( '_', '-', strtolower( $m[1] ) );
-                       if( isset( $wgLanguageNames[$code] ) ) {
-                               $name = $code . ' - ' . $wgLanguageNames[$code];
-                       } else {
-                               $name = $code;
-                       }
-                       $codes[$code] = $name;
-               }
-       }
-       closedir( $d );
-       ksort( $codes );
-       return $codes;
-}
-
-#Check for location of an executable
-# @param string $loc single location to check
-# @param array $names filenames to check for.
-# @param mixed $versioninfo array of details to use when checking version, use false for no version checking
-function locate_executable($loc, $names, $versioninfo = false) {
-       if (!is_array($names))
-               $names = array($names);
-
-       foreach ($names as $name) {
-               if (file_exists("$loc/$name")) {
-                       if (!$versioninfo)
-                               return "$loc/$name";
-
-                       $file = str_replace('$1', "$loc/$name", $versioninfo[0]);
-                       if (strstr(`$file`, $versioninfo[1]) !== false)
-                               return "$loc/$name";
-               }
-       }
-       return false;
-}
-
-# Test a memcached server
-function testMemcachedServer( $server ) {
-       $hostport = explode(":", $server);
-       $errstr = false;
-       $fp = false;
-       if ( !function_exists( 'fsockopen' ) ) {
-               $errstr = "Can't connect to memcached, fsockopen() not present";
-       }
-       if ( !$errstr &&  count( $hostport ) != 2 ) {
-               $errstr = 'Please specify host and port';
-               var_dump( $hostport );
-       }
-       if ( !$errstr ) {
-               list( $host, $port ) = $hostport;
-               $errno = 0;
-               $fsockerr = '';
 
-               $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
-               if ( $fp === false ) {
-                       $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
-               }
-       }
-       if ( !$errstr ) {
-               $command = "version\r\n";
-               $bytes = fwrite( $fp, $command );
-               if ( $bytes != strlen( $command ) ) {
-                       $errstr = "Cannot write to memcached socket on $host:$port";
-               }
-       }
-       if ( !$errstr ) {
-               $expected = "VERSION ";
-               $response = fread( $fp, strlen( $expected ) );
-               if ( $response != $expected ) {
-                       $errstr = "Didn't get correct memcached response from $host:$port";
-               }
-       }
-       if ( $fp ) {
-               fclose( $fp );
-       }
-       if ( !$errstr ) {
-               echo "<li>Connected to memcached on $host:$port successfully";
-       }
-       return $errstr;
+# Check for PHP 5
+if ( !function_exists( 'version_compare' ) 
+       || version_compare( phpversion(), '5.0.0' ) < 0
+) {
+       define( 'MW_PHP4', '1' );
+       require( "$IP/includes/DefaultSettings.php" );
+       require( "$IP/includes/templates/PHP4.php" );
+       exit;
 }
-?>
 
-</body>
-</html>
+// Isolate the rest of the code so this file can die out cleanly
+// if we find we're running under PHP 4.x... We use PHP 5 syntax
+// which doesn't parse under 4.
+require( dirname( __FILE__ ) . "/Installer.php" );