Inline documentation for hooks in wp-includes/comment.php.

comment.php, a.k.a. "lots 'o hooks".

Props swissspidy for the initial patch. Props danieldudzic, kpdesign, and DrewAPicture.
Fixes #25522.

Built from https://develop.svn.wordpress.org/trunk@26491


git-svn-id: http://core.svn.wordpress.org/trunk@26385 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Drew Jaynes 2013-12-01 01:12:11 +00:00
parent 9fa0ec4e94
commit e6d92061a1

View File

@ -44,12 +44,21 @@ function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $
if ( 1 == get_option('comment_moderation') )
return false; // If moderation is set to manual
/** This filter is documented in wp-includes/comment-template.php */
$comment = apply_filters( 'comment_text', $comment );
// Check # of external links
if ( $max_links = get_option( 'comment_max_links' ) ) {
$num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
$num_links = apply_filters( 'comment_max_links_url', $num_links, $url ); // provide for counting of $url as a link
/**
* Filter the maximum number of links allowed in a comment.
*
* @since 3.0.0
*
* @param int $num_links The number of links allowed.
* @param string $url Comment author's URL. Included in allowed links total.
*/
$num_links = apply_filters( 'comment_max_links_url', $num_links, $url );
if ( $num_links >= $max_links )
return false;
}
@ -147,7 +156,14 @@ function get_comment(&$comment, $output = OBJECT) {
}
}
$_comment = apply_filters('get_comment', $_comment);
/**
* Fires after a comment is retrieved.
*
* @since 2.3.0
*
* @param mixed $_comment Comment data.
*/
$_comment = apply_filters( 'get_comment', $_comment );
if ( $output == OBJECT ) {
return $_comment;
@ -251,6 +267,13 @@ class WP_Comment_Query {
$this->meta_query = new WP_Meta_Query();
$this->meta_query->parse_query_vars( $this->query_vars );
/**
* Fires before comments are retrieved.
*
* @since 3.1.0
*
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
*/
do_action_ref_array( 'pre_get_comments', array( &$this ) );
extract( $this->query_vars, EXTR_SKIP );
@ -376,6 +399,14 @@ class WP_Comment_Query {
}
$pieces = array( 'fields', 'join', 'where', 'orderby', 'order', 'limits', 'groupby' );
/**
* Filter the comment query clauses.
*
* @since 3.1.0
*
* @param array $pieces A compacted array of comment query clauses.
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
*/
$clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
foreach ( $pieces as $piece )
$$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
@ -389,6 +420,14 @@ class WP_Comment_Query {
return $wpdb->get_var( $query );
$comments = $wpdb->get_results( $query );
/**
* Filter the comment query results.
*
* @since 3.1.0
*
* @param array $comments An array of comments.
* @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
*/
$comments = apply_filters_ref_array( 'the_comments', array( $comments, &$this ) );
wp_cache_add( $cache_key, $comments, 'comment' );
@ -629,7 +668,14 @@ function wp_set_comment_cookies($comment, $user) {
if ( $user->exists() )
return;
$comment_cookie_lifetime = apply_filters('comment_cookie_lifetime', 30000000);
/**
* Filter the lifetime of the comment cookie in seconds.
*
* @since 2.8.0
*
* @param int $seconds Comment cookie lifetime. Default 30000000.
*/
$comment_cookie_lifetime = apply_filters( 'comment_cookie_lifetime', 30000000 );
setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
setcookie('comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
@ -644,22 +690,52 @@ function wp_set_comment_cookies($comment, $user) {
* @since 2.0.4
*/
function sanitize_comment_cookies() {
if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) {
$comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]);
if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) {
/**
* Filter the comment author's name cookie before it is set.
*
* When this filter hook is evaluated in wp_filter_comment(),
* the comment author's name string is passed.
*
* @since 1.5.2
*
* @param string $author_cookie The comment author name cookie.
*/
$comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] );
$comment_author = wp_unslash($comment_author);
$comment_author = esc_attr($comment_author);
$_COOKIE['comment_author_'.COOKIEHASH] = $comment_author;
$_COOKIE['comment_author_' . COOKIEHASH] = $comment_author;
}
if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) {
$comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]);
if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) {
/**
* Filter the comment author's email cookie before it is set.
*
* When this filter hook is evaluated in wp_filter_comment(),
* the comment author's email string is passed.
*
* @since 1.5.2
*
* @param string $author_email_cookie The comment author email cookie.
*/
$comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE['comment_author_email_' . COOKIEHASH] );
$comment_author_email = wp_unslash($comment_author_email);
$comment_author_email = esc_attr($comment_author_email);
$_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
}
if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) {
$comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]);
if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) {
/**
* Filter the comment author's URL cookie before it is set.
*
* When this filter hook is evaluated in wp_filter_comment(),
* the comment author's URL string is passed.
*
* @since 1.5.2
*
* @param string $author_url_cookie The comment author URL cookie.
*/
$comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] );
$comment_author_url = wp_unslash($comment_author_url);
$_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
}
@ -688,6 +764,13 @@ function wp_allow_comment($commentdata) {
$dupe .= $wpdb->prepare( "OR comment_author_email = %s ", wp_unslash( $comment_author_email ) );
$dupe .= $wpdb->prepare( ") AND comment_content = %s LIMIT 1", wp_unslash( $comment_content ) );
if ( $wpdb->get_var($dupe) ) {
/**
* Fires immediately after a duplicate comment is detected.
*
* @since 3.0.0
*
* @param array $commentdata Comment data.
*/
do_action( 'comment_duplicate_trigger', $commentdata );
if ( defined('DOING_AJAX') )
die( __('Duplicate comment detected; it looks as though you&#8217;ve already said that!') );
@ -695,6 +778,17 @@ function wp_allow_comment($commentdata) {
wp_die( __('Duplicate comment detected; it looks as though you&#8217;ve already said that!') );
}
/**
* Fires immediately before a comment is marked approved.
*
* Allows checking for comment flooding.
*
* @since 2.3.0
*
* @param string $comment_author_IP Comment author's IP address.
* @param string $comment_author_email Comment author's email.
* @param string $comment_date_gmt GMT date the comment was posted.
*/
do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt );
if ( ! empty( $user_id ) ) {
@ -705,7 +799,7 @@ function wp_allow_comment($commentdata) {
if ( isset( $user ) && ( $user_id == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
// The author and the admins get respect.
$approved = 1;
} else {
} else {
// Everyone else's comments will be checked.
if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) )
$approved = 1;
@ -715,6 +809,14 @@ function wp_allow_comment($commentdata) {
$approved = 'spam';
}
/**
* Filter a comment's approval status before it is set.
*
* @since 2.1.0
*
* @param bool|string $approved The approval status. Accepts 1, 0, or 'spam'.
* @param array $commentdata Comment data.
*/
$approved = apply_filters( 'pre_comment_approved', $approved, $commentdata );
return $approved;
}
@ -744,9 +846,26 @@ function check_comment_flood_db( $ip, $email, $date ) {
if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
$time_lastcomment = mysql2date('U', $lasttime, false);
$time_newcomment = mysql2date('U', $date, false);
$flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);
/**
* Filter the comment flood status.
*
* @since 2.1.0
*
* @param bool $bool Whether a comment flood is occurring. Default false.
* @param int $time_lastcomment Timestamp of when the last comment was posted.
* @param int $time_newcomment Timestamp of when the new comment was posted.
*/
$flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
if ( $flood_die ) {
do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);
/**
* Fires before the comment flood message is triggered.
*
* @since 1.5.2
*
* @param int $time_lastcomment Timestamp of when the last comment was posted.
* @param int $time_newcomment Timestamp of when the new comment was posted.
*/
do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
if ( defined('DOING_AJAX') )
die( __('You are posting comments too quickly. Slow down.') );
@ -902,7 +1021,19 @@ function get_page_of_comment( $comment_ID, $args = array() ) {
* @return bool True if comment contains blacklisted content, false if comment does not
*/
function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
/**
* Fires before the comment is tested for blacklisted characters or words.
*
* @since 1.5.2
*
* @param string $author Comment author.
* @param string $email Comment author's email.
* @param string $url Comment author's URL.
* @param string $comment Comment content.
* @param string $user_ip Comment author's IP address.
* @param string $user_agent Comment author's browser user agent.
*/
do_action( 'wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent );
$mod_keys = trim( get_option('blacklist_keys') );
if ( '' == $mod_keys )
@ -954,7 +1085,15 @@ function wp_count_comments( $post_id = 0 ) {
$post_id = (int) $post_id;
$stats = apply_filters('wp_count_comments', array(), $post_id);
/**
* Filter the comments count for a given post.
*
* @since 2.7.0
*
* @param array $count An empty array.
* @param int $post_id The post ID.
*/
$stats = apply_filters( 'wp_count_comments', array(), $post_id );
if ( !empty($stats) )
return $stats;
@ -1019,7 +1158,14 @@ function wp_delete_comment($comment_id, $force_delete = false) {
if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status($comment_id), array( 'trash', 'spam' ) ) )
return wp_trash_comment($comment_id);
do_action('delete_comment', $comment_id);
/**
* Fires immediately before a comment is deleted from the database.
*
* @since 1.2.1
*
* @param int $comment_id The comment ID.
*/
do_action( 'delete_comment', $comment_id );
// Move children up a level.
$children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) );
@ -1035,7 +1181,15 @@ function wp_delete_comment($comment_id, $force_delete = false) {
if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment_id ) ) )
return false;
do_action('deleted_comment', $comment_id);
/**
* Fires immediately after a comment is deleted from the database.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'deleted_comment', $comment_id );
$post_id = $comment->comment_post_ID;
if ( $post_id && $comment->comment_approved == 1 )
@ -1043,7 +1197,15 @@ function wp_delete_comment($comment_id, $force_delete = false) {
clean_comment_cache($comment_id);
do_action('wp_set_comment_status', $comment_id, 'delete');
/**
* Fires immediately before changing the comment's status to 'delete'.
*
* @since 1.5.2
*
* @param int $comment_id The comment ID.
* @param string $status The new 'delete' comment status.
*/
do_action( 'wp_set_comment_status', $comment_id, 'delete' );
wp_transition_comment_status('delete', $comment->comment_approved, $comment);
return true;
}
@ -1068,12 +1230,27 @@ function wp_trash_comment($comment_id) {
if ( !$comment = get_comment($comment_id) )
return false;
do_action('trash_comment', $comment_id);
/**
* Fires immediately before a comment is sent to the Trash.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'trash_comment', $comment_id );
if ( wp_set_comment_status($comment_id, 'trash') ) {
add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved);
add_comment_meta($comment_id, '_wp_trash_meta_time', time() );
do_action('trashed_comment', $comment_id);
/**
* Fires immediately after a comment is sent to Trash.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'trashed_comment', $comment_id );
return true;
}
@ -1094,7 +1271,14 @@ function wp_untrash_comment($comment_id) {
if ( ! (int)$comment_id )
return false;
do_action('untrash_comment', $comment_id);
/**
* Fires immediately before a comment is restored from the Trash.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'untrash_comment', $comment_id );
$status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
if ( empty($status) )
@ -1103,7 +1287,14 @@ function wp_untrash_comment($comment_id) {
if ( wp_set_comment_status($comment_id, $status) ) {
delete_comment_meta($comment_id, '_wp_trash_meta_time');
delete_comment_meta($comment_id, '_wp_trash_meta_status');
do_action('untrashed_comment', $comment_id);
/**
* Fires immediately after a comment is restored from the Trash.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'untrashed_comment', $comment_id );
return true;
}
@ -1124,11 +1315,25 @@ function wp_spam_comment($comment_id) {
if ( !$comment = get_comment($comment_id) )
return false;
do_action('spam_comment', $comment_id);
/**
* Fires immediately before a comment is marked as Spam.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'spam_comment', $comment_id );
if ( wp_set_comment_status($comment_id, 'spam') ) {
add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved);
do_action('spammed_comment', $comment_id);
/**
* Fires immediately after a comment is marked as Spam.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'spammed_comment', $comment_id );
return true;
}
@ -1149,7 +1354,14 @@ function wp_unspam_comment($comment_id) {
if ( ! (int)$comment_id )
return false;
do_action('unspam_comment', $comment_id);
/**
* Fires immediately before a comment is unmarked as Spam.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'unspam_comment', $comment_id );
$status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
if ( empty($status) )
@ -1157,7 +1369,14 @@ function wp_unspam_comment($comment_id) {
if ( wp_set_comment_status($comment_id, $status) ) {
delete_comment_meta($comment_id, '_wp_trash_meta_status');
do_action('unspammed_comment', $comment_id);
/**
* Fires immediately after a comment is unmarked as Spam.
*
* @since 2.9.0
*
* @param int $comment_id The comment ID.
*/
do_action( 'unspammed_comment', $comment_id );
return true;
}
@ -1214,8 +1433,11 @@ function wp_get_comment_status($comment_id) {
* @param object $comment Comment data.
*/
function wp_transition_comment_status($new_status, $old_status, $comment) {
// Translate raw statuses to human readable formats for the hooks
// This is not a complete list of comment status, it's only the ones that need to be renamed
/*
* Translate raw statuses to human readable formats for the hooks.
* This is not a complete list of comment status, it's only the ones
* that need to be renamed
*/
$comment_statuses = array(
0 => 'unapproved',
'hold' => 'unapproved', // wp_set_comment_status() uses "hold"
@ -1227,10 +1449,43 @@ function wp_transition_comment_status($new_status, $old_status, $comment) {
// Call the hooks
if ( $new_status != $old_status ) {
do_action('transition_comment_status', $new_status, $old_status, $comment);
do_action("comment_{$old_status}_to_{$new_status}", $comment);
/**
* Fires when the comment status is in transition.
*
* @since 2.7.0
*
* @param int|string $new_status The new comment status.
* @param int|string $old_status The old comment status.
* @param object $comment The comment data.
*/
do_action( 'transition_comment_status', $new_status, $old_status, $comment );
/**
* Fires when the comment status is in transition from one specific status to another.
*
* The dynamic portions of the hook name, $old_status, and $new_status,
* refer to the old and new comment statuses, respectively.
*
* @since 2.7.0
*
* @param object $comment Comment object.
*/
do_action( "comment_{$old_status}_to_{$new_status}", $comment );
}
do_action("comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment);
/**
* Fires when the status of a specific comment type is in transition.
*
* The dynamic portions of the hook name, $new_status, and $comment->comment_type,
* refer to the new comment status, and the type of comment, respectively.
*
* Typical comment types include an empty string (standard comment), 'pingback',
* or 'trackback'.
*
* @since 2.7.0
*
* @param int $comment_ID The comment ID.
* @param obj $comment Comment object.
*/
do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
}
/**
@ -1260,7 +1515,16 @@ function wp_get_current_commenter() {
if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
$comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
return apply_filters('wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url'));
/**
* Filter the current commenter's name, email, and URL.
*
* @since 3.1.0
*
* @param string $comment_author Comment author's name.
* @param string $comment_author_email Comment author's email.
* @param string $comment_author_url Comment author's URL.
*/
return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
}
/**
@ -1305,7 +1569,16 @@ function wp_insert_comment($commentdata) {
wp_update_comment_count($comment_post_ID);
$comment = get_comment($id);
do_action('wp_insert_comment', $id, $comment);
/**
* Fires immediately after a comment is inserted into the database.
*
* @since 2.8.0
*
* @param int $id The comment ID.
* @param obj $comment Comment object.
*/
do_action( 'wp_insert_comment', $id, $comment );
wp_cache_set( 'last_changed', microtime(), 'comment' );
@ -1320,34 +1593,64 @@ function wp_insert_comment($commentdata) {
* 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) {
if ( isset($commentdata['user_ID']) )
$commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']);
elseif ( isset($commentdata['user_id']) )
$commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_id']);
$commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
$commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']);
$commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']);
$commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']);
$commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']);
$commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']);
if ( isset( $commentdata['user_ID'] ) ) {
/**
* Filter the comment author's user id before it is set.
*
* The first time this filter is evaluated, 'user_ID' is checked
* (for back-compat), followed by the standard 'user_id' value.
*
* @since 1.5.2
*
* @param int $user_ID The comment author's user ID.
*/
$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] );
} elseif ( isset( $commentdata['user_id'] ) ) {
/** This filter is documented in wp-includes/comment.php */
$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] );
}
/**
* Filter the comment author's browser user agent before it is set.
*
* @since 1.5.2
*
* @param int $comment_agent The comment author's browser user agent.
*/
$commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
/** This filter is documented in wp-includes/comment.php */
$commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] );
/**
* Filter the comment content before it is set.
*
* @since 1.5.2
*
* @param int $comment_content The comment content.
*/
$commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
/**
* Filter the comment author's IP before it is set.
*
* @since 1.5.2
*
* @param int $comment_author_ip The comment author's IP.
*/
$commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] );
/** This filter is documented in wp-includes/comment.php */
$commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] );
/** This filter is documented in wp-includes/comment.php */
$commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] );
$commentdata['filtered'] = true;
return $commentdata;
}
/**
* Whether comment should be blocked because of comment flood.
* Whether a comment should be blocked because of comment flood.
*
* @since 2.1.0
*
@ -1381,7 +1684,14 @@ function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment)
* @return int The ID of the comment after adding.
*/
function wp_new_comment( $commentdata ) {
$commentdata = apply_filters('preprocess_comment', $commentdata);
/**
* Filter a comment's data before it is sanitized and inserted into the database.
*
* @since 1.5.2
*
* @param array $commentdata Comment data.
*/
$commentdata = apply_filters( 'preprocess_comment', $commentdata );
$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
if ( isset($commentdata['user_ID']) )
@ -1405,7 +1715,15 @@ function wp_new_comment( $commentdata ) {
$comment_ID = wp_insert_comment($commentdata);
do_action('comment_post', $comment_ID, $commentdata['comment_approved']);
/**
* Fires immediately after a comment is inserted into the database.
*
* @since 1.2.1
*
* @param int $comment_ID The comment ID.
* @param int $comment_approved 1 (true) if the comment is approved, 0 (false) if not.
*/
do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'] );
if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
if ( '0' == $commentdata['comment_approved'] ) {
@ -1475,7 +1793,18 @@ function wp_set_comment_status($comment_id, $comment_status, $wp_error = false)
$comment = get_comment($comment_id);
do_action('wp_set_comment_status', $comment_id, $comment_status);
/**
* Fires after a comment status has been updated in the database.
*
* The hook also fires immediately before comment status transition hooks are fired.
*
* @since 1.5.2
*
* @param int $comment_id The comment ID.
* @param string|bool $comment_status The comment status. Possible values include 'hold',
* 'approve', 'spam', 'trash', or false.
*/
do_action( 'wp_set_comment_status', $comment_id, $comment_status );
wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
wp_update_comment_count($comment->comment_post_ID);
@ -1516,7 +1845,14 @@ function wp_update_comment($commentarr) {
// Now extract the merged array.
extract(wp_unslash($commentarr), EXTR_SKIP);
$comment_content = apply_filters('comment_save_pre', $comment_content);
/**
* Filter the comment content before it is updated in the database.
*
* @since 1.5.2
*
* @param string $comment_content The comment data.
*/
$comment_content = apply_filters( 'comment_save_pre', $comment_content );
$comment_date_gmt = get_gmt_from_date($comment_date);
@ -1532,7 +1868,16 @@ function wp_update_comment($commentarr) {
clean_comment_cache($comment_ID);
wp_update_comment_count($comment_post_ID);
do_action('edit_comment', $comment_ID);
/**
* Fires immediately after a comment is updated in the database.
*
* The hook also fires immediately before comment status transition hooks are fired.
*
* @since 1.2.1
*
* @param int $comment_ID The comment ID.
*/
do_action( 'edit_comment', $comment_ID );
$comment = get_comment($comment_ID);
wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
return $rval;
@ -1629,8 +1974,18 @@ function wp_update_comment_count_now($post_id) {
clean_post_cache( $post );
do_action('wp_update_comment_count', $post_id, $new, $old);
do_action('edit_post', $post_id, $post);
/**
* Fires immediately after a post's comment count is updated in the database.
*
* @since 2.3.0
*
* @param int $post_id Post ID.
* @param int $new The new comment count.
* @param int $old The old comment count.
*/
do_action( 'wp_update_comment_count', $post_id, $new, $old );
/** This action is documented in wp-includes/post.php */
do_action( 'edit_post', $post_id, $post );
return true;
}
@ -1760,15 +2115,19 @@ function do_trackbacks($post_id) {
return;
}
if ( empty($post->post_excerpt) )
$excerpt = apply_filters('the_content', $post->post_content, $post->ID);
else
$excerpt = apply_filters('the_excerpt', $post->post_excerpt);
if ( empty($post->post_excerpt) ) {
/** This filter is documented in wp-admin/post-template.php */
$excerpt = apply_filters( 'the_content', $post->post_content, $post->ID );
} else {
/** This filter is documented in wp-admin/post-template.php */
$excerpt = apply_filters( 'the_excerpt', $post->post_excerpt );
}
$excerpt = str_replace(']]>', ']]&gt;', $excerpt);
$excerpt = wp_html_excerpt($excerpt, 252, '&#8230;');
/** This filter is documented in wp-includes/post-template.php */
$post_title = apply_filters('the_title', $post->post_title, $post->ID);
$post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
$post_title = strip_tags($post_title);
if ( $to_ping ) {
@ -1851,6 +2210,15 @@ function pingback($content, $post_ID) {
endforeach;
$post_links = array_unique( $post_links );
/**
* Fires just before pinging back links found in a post.
*
* @since 2.0.0
*
* @param array &$post_links An array of post links to be checked, passed by reference.
* @param array &$pung Whether a link has already been pinged, passed by reference.
* @param int $post_ID The post ID.
*/
do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post_ID ) );
foreach ( (array) $post_links as $pagelinkedto ) {
@ -1858,13 +2226,25 @@ function pingback($content, $post_ID) {
if ( $pingback_server_url ) {
@ set_time_limit( 60 );
// Now, the RPC call
// Now, the RPC call
$pagelinkedfrom = get_permalink($post_ID);
// using a timeout of 3 seconds should be enough to cover slow servers
$client = new WP_HTTP_IXR_Client($pingback_server_url);
$client->timeout = 3;
$client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . $wp_version, $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom);
/**
* Filter the user agent sent when pinging-back a URL.
*
* @since 2.9.0
*
* @param string $concat_useragent The user agent concatenated with ' -- WordPress/'
* and the WordPress version.
* @param string $useragent The useragent.
* @param string $pingback_server_url The server URL being linked to.
* @param string $pagelinkedto URL of page linked to.
* @param string $pagelinkedfrom URL of page linked from.
*/
$client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . $wp_version, $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom );
// when set to true, this outputs debug messages by itself
$client->debug = false;
@ -2041,6 +2421,13 @@ function _close_comments_for_old_posts( $posts, $query ) {
if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) )
return $posts;
/**
* Filter the list of post types to automatically close comments for.
*
* @since 3.2.0
*
* @param array $post_types An array of registered post types. Default array with 'post'.
*/
$post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
if ( ! in_array( $posts[0]->post_type, $post_types ) )
return $posts;
@ -2080,6 +2467,7 @@ function _close_comments_for_old_post( $open, $post_id ) {
$post = get_post($post_id);
/** This filter is documented in wp-includes/comment.php */
$post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
if ( ! in_array( $post->post_type, $post_types ) )
return $open;