<?php
-
+/**
+ * Manages WordPress comments
+ *
+ * @package WordPress
+ */
+
+/**
+ * Checks whether a comment passes internal checks to be allowed to add.
+ *
+ * If comment moderation is set in the administration, then all comments,
+ * regardless of their type and whitelist will be set to false.
+ *
+ * If the number of links exceeds the amount in the administration, then the
+ * check fails.
+ *
+ * If any of the parameter contents match the blacklist of words, then the check
+ * fails.
+ *
+ * If the comment is a trackback and part of the blogroll, then the trackback is
+ * automatically whitelisted. If the comment author was approved before, then
+ * the comment is automatically whitelisted.
+ *
+ * If none of the checks fail, then the failback is to set the check to pass
+ * (return true).
+ *
+ * @since 1.2
+ * @uses $wpdb
+ *
+ * @param string $author Comment Author's name
+ * @param string $email Comment Author's email
+ * @param string $url Comment Author's URL
+ * @param string $comment Comment contents
+ * @param string $user_ip Comment Author's IP address
+ * @param string $user_agent Comment Author's User Agent
+ * @param string $comment_type Comment type, either user submitted comment,
+ * trackback, or pingback
+ * @return bool Whether the checks passed (true) and the comments should be
+ * displayed or set to moderated
+ */
function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
global $wpdb;
$domain = $uri['host'];
$uri = parse_url( get_option('home') );
$home_domain = $uri['host'];
- if ( $wpdb->get_var("SELECT link_id FROM $wpdb->links WHERE link_url LIKE ('%$domain%') LIMIT 1") || $domain == $home_domain )
+ if ( $wpdb->get_var($wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_url LIKE (%s) LIMIT 1", '%'.$domain.'%')) || $domain == $home_domain )
return true;
else
return false;
} elseif ( $author != '' && $email != '' ) {
+ // expected_slashed ($author, $email)
$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
if ( ( 1 == $ok_to_comment ) &&
( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
return true;
}
-
+/**
+ * Retrieve the approved comments for post $post_id.
+ *
+ * @since 2.0
+ * @uses $wpdb
+ *
+ * @param int $post_id The ID of the post
+ * @return array $comments The approved comments
+ */
function get_approved_comments($post_id) {
global $wpdb;
-
- $post_id = (int) $post_id;
- return $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1' ORDER BY comment_date");
+ return $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post_id));
}
-
-// Retrieves comment data given a comment ID or comment object.
-// Handles comment caching.
+/**
+ * Retrieves comment data given a comment ID or comment object.
+ *
+ * If an object is passed then the comment data will be cached and then returned
+ * after being passed through a filter.
+ *
+ * If the comment is empty, then the global comment variable will be used, if it
+ * is set.
+ *
+ * @since 2.0
+ * @uses $wpdb
+ *
+ * @param object|string|int $comment Comment to retrieve.
+ * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants
+ * @return object|array|null Depends on $output value.
+ */
function &get_comment(&$comment, $output = OBJECT) {
global $wpdb;
wp_cache_add($comment->comment_ID, $comment, 'comment');
$_comment = $comment;
} else {
- $comment = (int) $comment;
if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
$_comment = & $GLOBALS['comment'];
} elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
- $_comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment' LIMIT 1");
+ $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
wp_cache_add($_comment->comment_ID, $_comment, 'comment');
}
}
}
}
-
-// Deprecate in favor of get_comment()?
-function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) { // less flexible, but saves DB queries
- global $postc, $id, $commentdata, $wpdb;
+/**
+ * Retrieve an array of comment data about comment $comment_ID.
+ *
+ * get_comment() technically does the same thing as this function. This function
+ * also appears to reference variables and then not use them or not update them
+ * when needed. It is advised to switch to get_comment(), since this function
+ * might be deprecated in favor of using get_comment().
+ *
+ * @deprecated Use get_comment()
+ * @see get_comment()
+ * @since 0.71
+ *
+ * @uses $postc Comment cache, might not be used any more
+ * @uses $id
+ * @uses $wpdb Database Object
+ *
+ * @param int $comment_ID The ID of the comment
+ * @param int $no_cache Whether to use the cache or not (casted to bool)
+ * @param bool $include_unapproved Whether to include unapproved comments or not
+ * @return array The comment data
+ */
+function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
+ global $postc, $wpdb;
if ( $no_cache ) {
- $query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'";
+ $query = $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d", $comment_ID);
if ( false == $include_unapproved )
$query .= " AND comment_approved = '1'";
$myrow = $wpdb->get_row($query, ARRAY_A);
return $myrow;
}
-
+/**
+ * The date the last comment was modified.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ * @uses $wpdb
+ * @global array $cache_lastcommentmodified
+ *
+ * @param string $timezone Which timezone to use in reference to 'gmt', 'blog',
+ * or 'server' locations
+ * @return string Last comment modified date
+ */
function get_lastcommentmodified($timezone = 'server') {
- global $cache_lastcommentmodified, $pagenow, $wpdb;
- $add_seconds_blog = get_option('gmt_offset') * 3600;
+ global $cache_lastcommentmodified, $wpdb;
+
+ if ( isset($cache_lastcommentmodified[$timezone]) )
+ return $cache_lastcommentmodified[$timezone];
+
$add_seconds_server = date('Z');
- $now = current_time('mysql', 1);
- if ( !isset($cache_lastcommentmodified[$timezone]) ) {
- switch ( strtolower($timezone)) {
- case 'gmt':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_date_gmt <= '$now' AND comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+
+ switch ( strtolower($timezone)) {
+ case 'gmt':
+ $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+ break;
+ case 'blog':
+ $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+ break;
+ case 'server':
+ $lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server));
+ break;
+ }
+
+ $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
+
+ return $lastcommentmodified;
+}
+
+/**
+ * The amount of comments in a post or total comments.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.0.0
+ * @uses $wpdb
+ *
+ * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide
+ * @return array The amount of spam, approved, awaiting moderation, and total
+ */
+function get_comment_count( $post_id = 0 ) {
+ global $wpdb;
+
+ $post_id = (int) $post_id;
+
+ $where = '';
+ if ( $post_id > 0 ) {
+ $where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);
+ }
+
+ $totals = (array) $wpdb->get_results("
+ SELECT comment_approved, COUNT( * ) AS total
+ FROM {$wpdb->comments}
+ {$where}
+ GROUP BY comment_approved
+ ", ARRAY_A);
+
+ $comment_count = array(
+ "approved" => 0,
+ "awaiting_moderation" => 0,
+ "spam" => 0,
+ "total_comments" => 0
+ );
+
+ foreach ( $totals as $row ) {
+ switch ( $row['comment_approved'] ) {
+ case 'spam':
+ $comment_count['spam'] = $row['total'];
+ $comment_count["total_comments"] += $row['total'];
+ break;
+ case 1:
+ $comment_count['approved'] = $row['total'];
+ $comment_count['total_comments'] += $row['total'];
break;
- case 'blog':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_date_gmt <= '$now' AND comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+ case 0:
+ $comment_count['awaiting_moderation'] = $row['total'];
+ $comment_count['total_comments'] += $row['total'];
break;
- case 'server':
- $lastcommentmodified = $wpdb->get_var("SELECT DATE_ADD(comment_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->comments WHERE comment_date_gmt <= '$now' AND comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+ default:
break;
}
- $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
- } else {
- $lastcommentmodified = $cache_lastcommentmodified[$timezone];
}
- return $lastcommentmodified;
-}
+ return $comment_count;
+}
+/**
+ * Sanitizes the cookies sent to the user already.
+ *
+ * Will only do anything if the cookies have already been created for the user.
+ * Mostly used after cookies had been sent to use elsewhere.
+ *
+ * @since 2.0.4
+ */
function sanitize_comment_cookies() {
if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) {
$comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]);
}
}
-
+/**
+ * Validates whether this comment is allowed to be made or not.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.0.0
+ * @uses $wpdb
+ * @uses apply_filters() Calls 'pre_comment_approved' hook on the type of comment
+ * @uses do_action() Calls 'check_comment_flood' hook on $comment_author_IP, $comment_author_email, and $comment_date_gmt
+ *
+ * @param array $commentdata Contains information on the comment
+ * @return mixed Signifies the approval status (0|1|'spam')
+ */
function wp_allow_comment($commentdata) {
global $wpdb;
extract($commentdata, EXTR_SKIP);
// Simple duplicate check
+ // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
$dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";
if ( $comment_author_email )
$dupe .= "OR comment_author_email = '$comment_author_email' ";
if ( $user_id ) {
$userdata = get_userdata($user_id);
$user = new WP_User($user_id);
- $post_author = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = '$comment_post_ID' LIMIT 1");
+ $post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID));
}
- if ( $userdata && ( $user_id == $post_author || $user->has_cap('level_9') ) ) {
+ if ( $userdata && ( $user_id == $post_author || $user->has_cap('moderate_comments') ) ) {
// The author and the admins get respect.
$approved = 1;
} else {
return $approved;
}
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.3.0
+ * @uses $wpdb
+ * @uses apply_filters() {@internal Missing Description}}
+ * @uses do_action() {@internal Missing Description}}
+ *
+ * @param string $ip {@internal Missing Description}}
+ * @param string $email {@internal Missing Description}}
+ * @param unknown_type $date {@internal Missing Description}}
+ */
function check_comment_flood_db( $ip, $email, $date ) {
global $wpdb;
- if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$ip' OR comment_author_email = '$email' ORDER BY comment_date DESC LIMIT 1") ) {
+ if ( current_user_can( 'manage_options' ) )
+ return; // don't throttle admins
+ if ( $lasttime = $wpdb->get_var( $wpdb->prepare("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = %s OR comment_author_email = %s ORDER BY comment_date DESC LIMIT 1", $ip, $email) ) ) {
$time_lastcomment = mysql2date('U', $lasttime);
$time_newcomment = mysql2date('U', $date);
$flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);
}
}
+/**
+ * Does comment contain blacklisted characters or words.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ * @uses do_action() Calls 'wp_blacklist_check' hook for all parameters
+ *
+ * @param string $author The author of the comment
+ * @param string $email The email of the comment
+ * @param string $url The url used in the comment
+ * @param string $comment The comment content
+ * @param string $user_ip The comment author IP address
+ * @param string $user_agent The author's browser user agent
+ * @return bool True if comment contains blacklisted content, false if comment does not
+ */
function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
- global $wpdb;
-
do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {
return false;
}
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @param unknown_type $post_id
+ * @return unknown
+ */
+function wp_count_comments( $post_id = 0 ) {
+ global $wpdb;
+
+ $post_id = (int) $post_id;
+
+ $count = wp_cache_get("comments-{$post_id}", 'counts');
+
+ if ( false !== $count )
+ return $count;
+
+ $where = '';
+ if( $post_id > 0 )
+ $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );
+
+ $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );
+
+ $total = 0;
+ $stats = array( );
+ $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam');
+ foreach( (array) $count as $row_num => $row ) {
+ $total += $row['num_comments'];
+ $stats[$approved[$row['comment_approved']]] = $row['num_comments'];
+ }
+ $stats['total_comments'] = $total;
+ foreach ( $approved as $key ) {
+ if ( empty($stats[$key]) )
+ $stats[$key] = 0;
+ }
+
+ $stats = (object) $stats;
+ wp_cache_set("comments-{$post_id}", $stats, 'counts');
+
+ return $stats;
+}
+
+/**
+ * Removes comment ID and maybe updates post comment count.
+ *
+ * The post comment count will be updated if the comment was approved and has a
+ * post ID available.
+ *
+ * @since 2.0.0
+ * @uses $wpdb
+ * @uses do_action() Calls 'delete_comment' hook on comment ID
+ * @uses do_action() Calls 'wp_set_comment_status' hook on comment ID with 'delete' set for the second parameter
+ *
+ * @param int $comment_id Comment ID
+ * @return bool False if delete comment query failure, true on success
+ */
function wp_delete_comment($comment_id) {
global $wpdb;
do_action('delete_comment', $comment_id);
$comment = get_comment($comment_id);
- if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") )
+ if ( ! $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id) ) )
return false;
$post_id = $comment->comment_post_ID;
return true;
}
-
+/**
+ * The status of a comment by ID.
+ *
+ * @since 1.0.0
+ *
+ * @param int $comment_id Comment ID
+ * @return string|bool Status might be 'deleted', 'approved', 'unapproved', 'spam'. False on failure
+ */
function wp_get_comment_status($comment_id) {
- global $wpdb;
-
$comment = get_comment($comment_id);
if ( !$comment )
return false;
return false;
}
-
+/**
+ * Get current commenter's name, email, and URL.
+ *
+ * Expects cookies content to already be sanitized. User of this function
+ * might wish to recheck the returned array for validity.
+ *
+ * @see sanitize_comment_cookies() Use to sanitize cookies
+ *
+ * @since 2.0.4
+ *
+ * @return array Comment author, email, url respectively
+ */
function wp_get_current_commenter() {
// Cookies should already be sanitized.
return compact('comment_author', 'comment_author_email', 'comment_author_url');
}
-
+/**
+ * Inserts a comment to the database.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.0.0
+ * @uses $wpdb
+ *
+ * @param array $commentdata Contains information on the comment
+ * @return int The new comment's id
+ */
function wp_insert_comment($commentdata) {
global $wpdb;
- extract($commentdata, EXTR_SKIP);
+ extract(stripslashes_deep($commentdata), EXTR_SKIP);
if ( ! isset($comment_author_IP) )
- $comment_author_IP = preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] );
+ $comment_author_IP = '';
if ( ! isset($comment_date) )
$comment_date = current_time('mysql');
if ( ! isset($comment_date_gmt) )
if ( ! isset($user_id) )
$user_id = 0;
- $result = $wpdb->query("INSERT INTO $wpdb->comments
+ $result = $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->comments
(comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, comment_parent, user_id)
- VALUES
- ('$comment_post_ID', '$comment_author', '$comment_author_email', '$comment_author_url', '$comment_author_IP', '$comment_date', '$comment_date_gmt', '$comment_content', '$comment_approved', '$comment_agent', '$comment_type', '$comment_parent', '$user_id')
- ");
+ VALUES (%d, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %d, %d)",
+ $comment_post_ID, $comment_author, $comment_author_email, $comment_author_url, $comment_author_IP, $comment_date, $comment_date_gmt, $comment_content, $comment_approved, $comment_agent, $comment_type, $comment_parent, $user_id) );
$id = (int) $wpdb->insert_id;
return $id;
}
-
+/**
+ * Parses and returns comment information.
+ *
+ * Sets the comment data 'filtered' field to true when finished. This can be
+ * checked as to whether the comment should be filtered and to keep from
+ * filtering the same comment more than once.
+ *
+ * @since 2.0.0
+ * @uses apply_filters() Calls 'pre_user_id' hook on comment author's user ID
+ * @uses apply_filters() Calls 'pre_comment_user_agent' hook on comment author's user agent
+ * @uses apply_filters() Calls 'pre_comment_author_name' hook on comment author's name
+ * @uses apply_filters() Calls 'pre_comment_content' hook on the comment's content
+ * @uses apply_filters() Calls 'pre_comment_user_ip' hook on comment author's IP
+ * @uses apply_filters() Calls 'pre_comment_author_url' hook on comment author's URL
+ * @uses apply_filters() Calls 'pre_comment_author_email' hook on comment author's email address
+ *
+ * @param array $commentdata Contains information on the comment
+ * @return array Parsed comment information
+ */
function wp_filter_comment($commentdata) {
$commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']);
$commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']);
return $commentdata;
}
-
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.1.0
+ *
+ * @param unknown_type $block {@internal Missing Description}}
+ * @param unknown_type $time_lastcomment {@internal Missing Description}}
+ * @param unknown_type $time_newcomment {@internal Missing Description}}
+ * @return unknown {@internal Missing Description}}
+ */
function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
if ( $block ) // a plugin has already blocked... we'll let that decision stand
return $block;
return false;
}
-
+/**
+ * Parses and adds a new comment to the database.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ * @uses apply_filters() Calls 'preprocess_comment' hook on $commentdata parameter array before processing
+ * @uses do_action() Calls 'comment_post' hook on $comment_ID returned from adding the comment and if the comment was approved.
+ * @uses wp_filter_comment() Used to filter comment before adding comment
+ * @uses wp_allow_comment() checks to see if comment is approved.
+ * @uses wp_insert_comment() Does the actual comment insertion to the database
+ *
+ * @param array $commentdata Contains information on the comment
+ * @return int The ID of the comment after adding.
+ */
function wp_new_comment( $commentdata ) {
$commentdata = apply_filters('preprocess_comment', $commentdata);
$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
$commentdata['user_ID'] = (int) $commentdata['user_ID'];
- $commentdata['comment_author_IP'] = preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] );
+ $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '',$_SERVER['REMOTE_ADDR'] );
$commentdata['comment_agent'] = $_SERVER['HTTP_USER_AGENT'];
$commentdata['comment_date'] = current_time('mysql');
return $comment_ID;
}
-
+/**
+ * Sets the status of comment ID.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.0.0
+ *
+ * @param int $comment_id Comment ID
+ * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'delete'
+ * @return bool False on failure or deletion and true on success.
+ */
function wp_set_comment_status($comment_id, $comment_status) {
global $wpdb;
switch ( $comment_status ) {
case 'hold':
- $query = "UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID='$comment_id' LIMIT 1";
+ $query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID = %d LIMIT 1", $comment_id);
break;
case 'approve':
- $query = "UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID='$comment_id' LIMIT 1";
+ $query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID = %d LIMIT 1", $comment_id);
+ if ( get_option('comments_notify') ) {
+ $comment = get_comment($comment_id);
+ wp_notify_postauthor($comment_id, $comment->comment_type);
+ }
break;
case 'spam':
- $query = "UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID='$comment_id' LIMIT 1";
+ $query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID = %d LIMIT 1", $comment_id);
break;
case 'delete':
return wp_delete_comment($comment_id);
return true;
}
-
+/**
+ * Parses and updates an existing comment in the database.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.0.0
+ * @uses $wpdb
+ *
+ * @param array $commentarr Contains information on the comment
+ * @return int Comment was updated if value is 1, or was not updated if value is 0.
+ */
function wp_update_comment($commentarr) {
global $wpdb;
$commentarr = wp_filter_comment( $commentarr );
// Now extract the merged array.
- extract($commentarr, EXTR_SKIP);
+ extract(stripslashes_deep($commentarr), EXTR_SKIP);
$comment_content = apply_filters('comment_save_pre', $comment_content);
$comment_date_gmt = get_gmt_from_date($comment_date);
- $result = $wpdb->query(
- "UPDATE $wpdb->comments SET
- comment_content = '$comment_content',
- comment_author = '$comment_author',
- comment_author_email = '$comment_author_email',
- comment_approved = '$comment_approved',
- comment_author_url = '$comment_author_url',
- comment_date = '$comment_date',
- comment_date_gmt = '$comment_date_gmt'
- WHERE comment_ID = $comment_ID" );
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->comments SET
+ comment_content = %s,
+ comment_author = %s,
+ comment_author_email = %s,
+ comment_approved = %s,
+ comment_author_url = %s,
+ comment_date = %s,
+ comment_date_gmt = %s
+ WHERE comment_ID = %d",
+ $comment_content,
+ $comment_author,
+ $comment_author_email,
+ $comment_approved,
+ $comment_author_url,
+ $comment_date,
+ $comment_date_gmt,
+ $comment_ID) );
$rval = $wpdb->rows_affected;
return $rval;
}
+/**
+ * Whether to defer comment counting.
+ *
+ * When setting $defer to true, all post comment counts will not be updated
+ * until $defer is set to false. When $defer is set to false, then all
+ * previously deferred updated post comment counts will then be automatically
+ * updated without having to call wp_update_comment_count() after.
+ *
+ * @since 2.5
+ * @staticvar bool $_defer
+ *
+ * @param bool $defer
+ * @return unknown
+ */
+function wp_defer_comment_counting($defer=null) {
+ static $_defer = false;
+
+ if ( is_bool($defer) ) {
+ $_defer = $defer;
+ // flush any deferred counts
+ if ( !$defer )
+ wp_update_comment_count( null, true );
+ }
-function wp_update_comment_count($post_id) {
- global $wpdb, $comment_count_cache;
+ return $_defer;
+}
+
+/**
+ * Updates the comment count for post(s).
+ *
+ * When $do_deferred is false (is by default) and the comments have been set to
+ * be deferred, the post_id will be added to a queue, which will be updated at a
+ * later date and only updated once per post ID.
+ *
+ * If the comments have not be set up to be deferred, then the post will be
+ * updated. When $do_deferred is set to true, then all previous deferred post
+ * IDs will be updated along with the current $post_id.
+ *
+ * @since 2.1.0
+ * @see wp_update_comment_count_now() For what could cause a false return value
+ *
+ * @param int $post_id Post ID
+ * @param bool $do_deferred Whether to process previously deferred post comment counts
+ * @return bool True on success, false on failure
+ */
+function wp_update_comment_count($post_id, $do_deferred=false) {
+ static $_deferred = array();
+
+ if ( $do_deferred ) {
+ $_deferred = array_unique($_deferred);
+ foreach ( $_deferred as $i => $_post_id ) {
+ wp_update_comment_count_now($_post_id);
+ unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */
+ }
+ }
+
+ if ( wp_defer_comment_counting() ) {
+ $_deferred[] = $post_id;
+ return true;
+ }
+ elseif ( $post_id ) {
+ return wp_update_comment_count_now($post_id);
+ }
+
+}
+
+/**
+ * Updates the comment count for the post.
+ *
+ * @since 2.5
+ * @uses $wpdb
+ * @uses do_action() Calls 'wp_update_comment_count' hook on $post_id, $new, and $old
+ * @uses do_action() Calls 'edit_posts' hook on $post_id and $post
+ *
+ * @param int $post_id Post ID
+ * @return bool False on '0' $post_id or if post with ID does not exist. True on success.
+ */
+function wp_update_comment_count_now($post_id) {
+ global $wpdb;
$post_id = (int) $post_id;
if ( !$post_id )
return false;
return false;
$old = (int) $post->comment_count;
- $new = (int) $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1'");
- $wpdb->query("UPDATE $wpdb->posts SET comment_count = '$new' WHERE ID = '$post_id'");
- $comment_count_cache[$post_id] = $new;
+ $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET comment_count = %d WHERE ID = %d", $new, $post_id) );
if ( 'page' == $post->post_type )
clean_page_cache( $post_id );
return true;
}
-
//
// Ping and trackback functions.
//
+/**
+ * Finds a pingback server URI based on the given URL.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ * @uses $wp_version
+ *
+ * @param string $url URL to ping
+ * @param int $timeout_bytes Number of bytes to timeout at. Prevents big file downloads, default is 2048.
+ * @return bool|string False on failure, string containing URI on success.
+ */
function discover_pingback_server_uri($url, $timeout_bytes = 2048) {
global $wp_version;
$pingback_str_dquote = 'rel="pingback"';
$pingback_str_squote = 'rel=\'pingback\'';
$x_pingback_str = 'x-pingback: ';
- $pingback_href_original_pos = 27;
extract(parse_url($url), EXTR_SKIP);
$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
// We may find rel="pingback" but an incomplete pingback URL
- if ( $pingback_server_url_len > 0 ) // We got it!
+ if ( $pingback_server_url_len > 0 ) { // We got it!
+ fclose($fp);
return $pingback_server_url;
+ }
}
$byte_count += strlen($line);
if ( $byte_count > $timeout_bytes ) {
// It's no use going further, there probably isn't any pingback
// server to find in this file. (Prevents loading large files.)
+ fclose($fp);
return false;
}
}
// We didn't find anything.
+ fclose($fp);
return false;
}
-
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.1.0
+ * @uses $wpdb
+ */
function do_all_pings() {
global $wpdb;
// Do Enclosures
while ($enclosure = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
- $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$enclosure->ID} AND meta_key = '_encloseme';");
+ $wpdb->query( $wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_encloseme';", $enclosure->ID) );
do_enclose($enclosure->post_content, $enclosure->ID);
}
// Do Trackbacks
- $trackbacks = $wpdb->get_results("SELECT ID FROM $wpdb->posts WHERE CHAR_LENGTH(TRIM(to_ping)) > 7 AND post_status = 'publish'");
- if ( is_array($trackbacks) ) {
+ $trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");
+ if ( is_array($trackbacks) )
foreach ( $trackbacks as $trackback )
- do_trackbacks($trackback->ID);
- }
+ do_trackbacks($trackback);
//Do Update Services/Generic Pings
generic_ping();
}
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ * @uses $wpdb
+ *
+ * @param int $post_id Post ID to do trackbacks on
+ */
function do_trackbacks($post_id) {
global $wpdb;
- $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = $post_id");
+ $post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) );
$to_ping = get_to_ping($post_id);
$pinged = get_pung($post_id);
if ( empty($to_ping) ) {
- $wpdb->query("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = '$post_id'");
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = %d", $post_id) );
return;
}
else
$excerpt = apply_filters('the_excerpt', $post->post_excerpt);
$excerpt = str_replace(']]>', ']]>', $excerpt);
- $excerpt = strip_tags($excerpt);
- if ( function_exists('mb_strcut') ) // For international trackbacks
- $excerpt = mb_strcut($excerpt, 0, 252, get_option('blog_charset')) . '...';
- else
- $excerpt = substr($excerpt, 0, 252) . '...';
+ $excerpt = wp_html_excerpt($excerpt, 252) . '...';
$post_title = apply_filters('the_title', $post->post_title);
$post_title = strip_tags($post_title);
trackback($tb_ping, $post_title, $excerpt, $post_id);
$pinged[] = $tb_ping;
} else {
- $wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = '$post_id'");
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = %d", $post_id) );
}
}
}
}
-
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_id Post ID. Not actually used.
+ * @return int Same as Post ID from parameter
+ */
function generic_ping($post_id = 0) {
$services = get_option('ping_sites');
- $services = preg_replace("|(\s)+|", '$1', $services); // Kill dupe lines
- $services = trim($services);
- if ( '' != $services ) {
- $services = explode("\n", $services);
- foreach ( (array) $services as $service )
+
+ $services = explode("\n", $services);
+ foreach ( (array) $services as $service ) {
+ $service = trim($service);
+ if ( '' != $service )
weblog_ping($service);
}
return $post_id;
}
-
+/**
+ * Pings back the links found in a post.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 0.71
+ * @uses $wp_version
+ * @uses IXR_Client
+ *
+ * @param string $content {@internal Missing Description}}
+ * @param int $post_ID {@internal Missing Description}}
+ */
function pingback($content, $post_ID) {
- global $wp_version, $wpdb;
+ global $wp_version;
include_once(ABSPATH . WPINC . '/class-IXR.php');
// original code by Mort (http://mort.mine.nu:8080)
}
}
-
+/**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 2.1.0
+ *
+ * @param unknown_type $sites {@internal Missing Description}}
+ * @return unknown {@internal Missing Description}}
+ */
function privacy_ping_filter($sites) {
if ( '0' != get_option('blog_public') )
return $sites;
return '';
}
-// Send a Trackback
+/**
+ * Send a Trackback.
+ *
+ * Updates database when sending trackback to prevent duplicates.
+ *
+ * @since 0.71
+ * @uses $wpdb
+ * @uses $wp_version WordPress version
+ *
+ * @param string $trackback_url URL to send trackbacks.
+ * @param string $title Title of post
+ * @param string $excerpt Excerpt of post
+ * @param int $ID Post ID
+ * @return mixed Database query from update
+ */
function trackback($trackback_url, $title, $excerpt, $ID) {
global $wpdb, $wp_version;
@fclose($fs);
$tb_url = addslashes( $tb_url );
- $wpdb->query("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = '$ID'");
- return $wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = '$ID'");
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = %d", $ID) );
+ return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) );
}
-
+/**
+ * Send a pingback.
+ *
+ * @since 1.2.0
+ * @uses $wp_version
+ * @uses IXR_Client
+ *
+ * @param string $server Host of blog to connect to.
+ * @param string $path Path to send the ping.
+ */
function weblog_ping($server = '', $path = '') {
global $wp_version;
include_once(ABSPATH . WPINC . '/class-IXR.php');
// Cache
//
+/**
+ * Removes comment ID from the comment cache.
+ *
+ * @since 2.3.0
+ * @package WordPress
+ * @subpackage Cache
+ *
+ * @param int $id Comment ID to remove from cache
+ */
function clean_comment_cache($id) {
wp_cache_delete($id, 'comment');
}
+/**
+ * Updates the comment cache of given comments.
+ *
+ * Will add the comments in $comments to the cache. If comment ID already
+ * exists in the comment cache then it will not be updated.
+ *
+ * The comment is added to the cache using the comment group with the key
+ * using the ID of the comments.
+ *
+ * @since 2.3.0
+ *
+ * @param array $comments Array of comment row objects
+ */
function update_comment_cache($comments) {
- foreach ( $comments as $comment )
+ foreach ( (array) $comments as $comment )
wp_cache_add($comment->comment_ID, $comment, 'comment');
}
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