<?php
-
+/**
+ * Core Comment API
+ *
+ * @package WordPress
+ * @subpackage Comment
+ */
+
+/**
+ * Check whether a comment passes internal checks to be allowed to add.
+ *
+ * If manual comment moderation is set in the administration, then all checks,
+ * regardless of their type and whitelist, will fail and the function will
+ * return 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 author was approved before, then the comment is automatically
+ * whitelisted.
+ *
+ * If all checks pass, the function will return true.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $author Comment author name.
+ * @param string $email Comment author email.
+ * @param string $url Comment author URL.
+ * @param string $comment Content of the comment.
+ * @param string $user_ip Comment author IP address.
+ * @param string $user_agent Comment author User-Agent.
+ * @param string $comment_type Comment type, either user-submitted comment,
+ * trackback, or pingback.
+ * @return bool If all checks pass, true, otherwise false.
+ */
function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
global $wpdb;
+ // If manual moderation is enabled, skip all checks and return false.
if ( 1 == get_option('comment_moderation') )
- return false; // If moderation is set to manual
+ return false;
- if ( preg_match_all("|(href\t*?=\t*?['\"]?)?(https?:)?//|i", $comment, $out) >= get_option('comment_max_links') )
- return false; // Check # of external links
+ /** This filter is documented in wp-includes/comment-template.php */
+ $comment = apply_filters( 'comment_text', $comment );
+
+ // Check for the number of external links if a max allowed number is set.
+ if ( $max_links = get_option( 'comment_max_links' ) ) {
+ $num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
+
+ /**
+ * Filters the number of links found in a comment.
+ *
+ * @since 3.0.0
+ *
+ * @param int $num_links The number of links found.
+ * @param string $url Comment author's URL. Included in allowed links total.
+ */
+ $num_links = apply_filters( 'comment_max_links_url', $num_links, $url );
+
+ /*
+ * If the number of links in the comment exceeds the allowed amount,
+ * fail the check by returning false.
+ */
+ if ( $num_links >= $max_links )
+ return false;
+ }
$mod_keys = trim(get_option('moderation_keys'));
+
+ // If moderation 'keys' (keywords) are set, process them.
if ( !empty($mod_keys) ) {
$words = explode("\n", $mod_keys );
- foreach ($words as $word) {
+ foreach ( (array) $words as $word) {
$word = trim($word);
- // Skip empty lines
+ // Skip empty lines.
if ( empty($word) )
continue;
- // Do some escaping magic so that '#' chars in the
- // spam words don't break things:
+ /*
+ * Do some escaping magic so that '#' (number of) characters in the spam
+ * words don't break things:
+ */
$word = preg_quote($word, '#');
+ /*
+ * Check the comment fields for moderation keywords. If any are found,
+ * fail the check for the given field by returning false.
+ */
$pattern = "#$word#i";
if ( preg_match($pattern, $author) ) return false;
if ( preg_match($pattern, $email) ) return false;
}
}
- // Comment whitelisting:
+ /*
+ * Check if the option to approve comments by previously-approved authors is enabled.
+ *
+ * If it is enabled, check whether the comment author has a previously-approved comment,
+ * as well as whether there are any moderation keywords (if set) present in the author
+ * email address. If both checks pass, return true. Otherwise, return false.
+ */
if ( 1 == get_option('comment_whitelist')) {
- if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll
- $uri = parse_url($url);
- $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 )
- return true;
- else
- return false;
- } elseif ( $author != '' && $email != '' ) {
+ if ( 'trackback' != $comment_type && 'pingback' != $comment_type && $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 2.0.0
+ * @since 4.1.0 Refactored to leverage WP_Comment_Query over a direct query.
+ *
+ * @param int $post_id The ID of the post.
+ * @param array $args Optional. See WP_Comment_Query::query() for information on accepted arguments.
+ * @return int|array $comments The approved comments, or number of comments if `$count`
+ * argument is true.
+ */
+function get_approved_comments( $post_id, $args = array() ) {
+ if ( ! $post_id ) {
+ return array();
+ }
-function get_approved_comments($post_id) {
- global $wpdb;
+ $defaults = array(
+ 'status' => 1,
+ 'post_id' => $post_id,
+ 'order' => 'ASC',
+ );
+ $r = wp_parse_args( $args, $defaults );
- $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");
+ $query = new WP_Comment_Query;
+ return $query->query( $r );
}
+/**
+ * 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 2.0.0
+ *
+ * @global WP_Comment $comment
+ *
+ * @param WP_Comment|string|int $comment Comment to retrieve.
+ * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
+ * @return WP_Comment|array|null Depends on $output value.
+ */
+function get_comment( &$comment = null, $output = OBJECT ) {
+ if ( empty( $comment ) && isset( $GLOBALS['comment'] ) ) {
+ $comment = $GLOBALS['comment'];
+ }
-// Retrieves comment data given a comment ID or comment object.
-// Handles comment caching.
-function &get_comment(&$comment, $output = OBJECT) {
- global $wpdb;
-
- if ( empty($comment) ) {
- if ( isset($GLOBALS['comment']) )
- $_comment = & $GLOBALS['comment'];
- else
- $_comment = null;
- } elseif ( is_object($comment) ) {
- wp_cache_add($comment->comment_ID, $comment, 'comment');
+ if ( $comment instanceof WP_Comment ) {
$_comment = $comment;
+ } elseif ( is_object( $comment ) ) {
+ $_comment = new WP_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");
- wp_cache_add($_comment->comment_ID, $_comment, 'comment');
- }
+ $_comment = WP_Comment::get_instance( $comment );
}
- $_comment = apply_filters('get_comment', $_comment);
+ if ( ! $_comment ) {
+ return null;
+ }
+
+ /**
+ * 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;
} elseif ( $output == ARRAY_A ) {
- return get_object_vars($_comment);
+ return $_comment->to_array();
} elseif ( $output == ARRAY_N ) {
- return array_values(get_object_vars($_comment));
- } else {
- return $_comment;
+ return array_values( $_comment->to_array() );
}
+ return $_comment;
}
+/**
+ * Retrieve a list of comments.
+ *
+ * The comment list can be for the blog as a whole or for an individual post.
+ *
+ * @since 2.7.0
+ *
+ * @param string|array $args Optional. Array or string of arguments. See WP_Comment_Query::parse_query()
+ * for information on accepted arguments. Default empty.
+ * @return int|array List of comments or number of found comments if `$count` argument is true.
+ */
+function get_comments( $args = '' ) {
+ $query = new WP_Comment_Query;
+ return $query->query( $args );
+}
+
+/**
+ * Retrieve all of the WordPress supported comment statuses.
+ *
+ * Comments have a limited set of valid status values, this provides the comment
+ * status values and descriptions.
+ *
+ * @since 2.7.0
+ *
+ * @return array List of comment statuses.
+ */
+function get_comment_statuses() {
+ $status = array(
+ 'hold' => __( 'Unapproved' ),
+ 'approve' => _x( 'Approved', 'comment status' ),
+ 'spam' => _x( 'Spam', 'comment status' ),
+ 'trash' => _x( 'Trash', 'comment status' ),
+ );
+
+ return $status;
+}
+
+/**
+ * Gets the default comment status for a post type.
+ *
+ * @since 4.3.0
+ *
+ * @param string $post_type Optional. Post type. Default 'post'.
+ * @param string $comment_type Optional. Comment type. Default 'comment'.
+ * @return string Expected return value is 'open' or 'closed'.
+ */
+function get_default_comment_status( $post_type = 'post', $comment_type = 'comment' ) {
+ switch ( $comment_type ) {
+ case 'pingback' :
+ case 'trackback' :
+ $supports = 'trackbacks';
+ $option = 'ping';
+ break;
+ default :
+ $supports = 'comments';
+ $option = '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;
- if ( $no_cache ) {
- $query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'";
- if ( false == $include_unapproved )
- $query .= " AND comment_approved = '1'";
- $myrow = $wpdb->get_row($query, ARRAY_A);
+ // Set the status.
+ if ( 'page' === $post_type ) {
+ $status = 'closed';
+ } elseif ( post_type_supports( $post_type, $supports ) ) {
+ $status = get_option( "default_{$option}_status" );
} else {
- $myrow['comment_ID'] = $postc->comment_ID;
- $myrow['comment_post_ID'] = $postc->comment_post_ID;
- $myrow['comment_author'] = $postc->comment_author;
- $myrow['comment_author_email'] = $postc->comment_author_email;
- $myrow['comment_author_url'] = $postc->comment_author_url;
- $myrow['comment_author_IP'] = $postc->comment_author_IP;
- $myrow['comment_date'] = $postc->comment_date;
- $myrow['comment_content'] = $postc->comment_content;
- $myrow['comment_karma'] = $postc->comment_karma;
- $myrow['comment_approved'] = $postc->comment_approved;
- $myrow['comment_type'] = $postc->comment_type;
+ $status = 'closed';
}
- return $myrow;
-}
+ /**
+ * Filters the default comment status for the given post type.
+ *
+ * @since 4.3.0
+ *
+ * @param string $status Default status for the given post type,
+ * either 'open' or 'closed'.
+ * @param string $post_type Post type. Default is `post`.
+ * @param string $comment_type Type of comment. Default is `comment`.
+ */
+ return apply_filters( 'get_default_comment_status' , $status, $post_type, $comment_type );
+}
+/**
+ * The date the last comment was modified.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @staticvar 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 $wpdb;
+ static $cache_lastcommentmodified = array();
+
+ if ( isset($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.
+ *
+ * A lot like wp_count_comments(), in that they both return comment stats (albeit with different types).
+ * The wp_count_comments() actually caches, but this function does not.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @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 comments.
+ */
+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,
+ 'trash' => 0,
+ 'post-trashed' => 0,
+ 'total_comments' => 0,
+ 'all' => 0,
+ );
+
+ foreach ( $totals as $row ) {
+ switch ( $row['comment_approved'] ) {
+ case 'trash':
+ $comment_count['trash'] = $row['total'];
+ break;
+ case 'post-trashed':
+ $comment_count['post-trashed'] = $row['total'];
+ break;
+ case 'spam':
+ $comment_count['spam'] = $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 '1':
+ $comment_count['approved'] = $row['total'];
+ $comment_count['total_comments'] += $row['total'];
+ $comment_count['all'] += $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");
+ case '0':
+ $comment_count['awaiting_moderation'] = $row['total'];
+ $comment_count['total_comments'] += $row['total'];
+ $comment_count['all'] += $row['total'];
+ break;
+ default:
break;
}
- $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
- } else {
- $lastcommentmodified = $cache_lastcommentmodified[$timezone];
}
- return $lastcommentmodified;
+
+ return $comment_count;
+}
+
+//
+// Comment meta functions
+//
+
+/**
+ * Add meta data field to a comment.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/add_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Metadata value.
+ * @param bool $unique Optional, default is false. Whether the same key should not be added.
+ * @return int|bool Meta ID on success, false on failure.
+ */
+function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false) {
+ return add_metadata('comment', $comment_id, $meta_key, $meta_value, $unique);
+}
+
+/**
+ * Remove metadata matching criteria from a comment.
+ *
+ * You can match based on the key, or key and value. Removing based on key and
+ * value, will keep from removing duplicate metadata with the same key. It also
+ * allows removing all metadata matching key, if needed.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/delete_comment_meta
+ *
+ * @param int $comment_id comment ID
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Optional. Metadata value.
+ * @return bool True on success, false on failure.
+ */
+function delete_comment_meta($comment_id, $meta_key, $meta_value = '') {
+ return delete_metadata('comment', $comment_id, $meta_key, $meta_value);
+}
+
+/**
+ * Retrieve comment meta field for a comment.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/get_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
+ * @param bool $single Whether to return a single value.
+ * @return mixed Will be an array if $single is false. Will be value of meta data field if $single
+ * is true.
+ */
+function get_comment_meta($comment_id, $key = '', $single = false) {
+ return get_metadata('comment', $comment_id, $key, $single);
+}
+
+/**
+ * Update comment meta field based on comment ID.
+ *
+ * Use the $prev_value parameter to differentiate between meta fields with the
+ * same key and comment ID.
+ *
+ * If the meta field for the comment does not exist, it will be added.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/update_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @param mixed $prev_value Optional. Previous value to check before removing.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
+ */
+function update_comment_meta($comment_id, $meta_key, $meta_value, $prev_value = '') {
+ return update_metadata('comment', $comment_id, $meta_key, $meta_value, $prev_value);
+}
+
+/**
+ * Queues comments for metadata lazy-loading.
+ *
+ * @since 4.5.0
+ *
+ * @param array $comments Array of comment objects.
+ */
+function wp_queue_comments_for_comment_meta_lazyload( $comments ) {
+ // Don't use `wp_list_pluck()` to avoid by-reference manipulation.
+ $comment_ids = array();
+ if ( is_array( $comments ) ) {
+ foreach ( $comments as $comment ) {
+ if ( $comment instanceof WP_Comment ) {
+ $comment_ids[] = $comment->comment_ID;
+ }
+ }
+ }
+
+ if ( $comment_ids ) {
+ $lazyloader = wp_metadata_lazyloader();
+ $lazyloader->queue_objects( 'comment', $comment_ids );
+ }
}
+/**
+ * Sets the cookies used to store an unauthenticated commentator's identity. Typically used
+ * to recall previous comments by this commentator that are still held in moderation.
+ *
+ * @param WP_Comment $comment Comment object.
+ * @param object $user Comment author's object.
+ *
+ * @since 3.4.0
+ */
+function wp_set_comment_cookies($comment, $user) {
+ if ( $user->exists() )
+ return;
+ /**
+ * Filters 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 );
+ $secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
+ setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+ setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+ setcookie( 'comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+}
+
+/**
+ * Sanitizes the cookies sent to the user already.
+ *
+ * Will only do anything if the cookies have already been created for the user.
+ * Mostly used after cookies had been sent to use elsewhere.
+ *
+ * @since 2.0.4
+ */
function sanitize_comment_cookies() {
- if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) {
- $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]);
- $comment_author = stripslashes($comment_author);
- $comment_author = attribute_escape($comment_author);
- $_COOKIE['comment_author_'.COOKIEHASH] = $comment_author;
+ if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) {
+ /**
+ * Filters 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 1.5.0
+ *
+ * @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] = $comment_author;
}
- if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) {
- $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]);
- $comment_author_email = stripslashes($comment_author_email);
- $comment_author_email = attribute_escape($comment_author_email);
+ if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) {
+ /**
+ * Filters 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 1.5.0
+ *
+ * @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]);
- $comment_author_url = stripslashes($comment_author_url);
+ if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) {
+ /**
+ * Filters 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 1.5.0
+ *
+ * @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] = $comment_author_url;
}
}
-
-function wp_allow_comment($commentdata) {
+/**
+ * Validates whether this comment is allowed to be made.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata Contains information on the comment
+ * @return int|string Signifies the approval status (0|1|'spam')
+ */
+function wp_allow_comment( $commentdata ) {
global $wpdb;
- extract($commentdata, EXTR_SKIP);
// Simple duplicate check
- $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' ";
- $dupe .= ") AND comment_content = '$comment_content' LIMIT 1";
- if ( $wpdb->get_var($dupe) )
- wp_die( __('Duplicate comment detected; it looks as though you\'ve already said that!') );
-
- do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt );
+ // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
+ $dupe = $wpdb->prepare(
+ "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ",
+ wp_unslash( $commentdata['comment_post_ID'] ),
+ wp_unslash( $commentdata['comment_parent'] ),
+ wp_unslash( $commentdata['comment_author'] )
+ );
+ if ( $commentdata['comment_author_email'] ) {
+ $dupe .= $wpdb->prepare(
+ "AND comment_author_email = %s ",
+ wp_unslash( $commentdata['comment_author_email'] )
+ );
+ }
+ $dupe .= $wpdb->prepare(
+ ") AND comment_content = %s LIMIT 1",
+ wp_unslash( $commentdata['comment_content'] )
+ );
+
+ $dupe_id = $wpdb->get_var( $dupe );
+
+ /**
+ * Filters the ID, if any, of the duplicate comment found when creating a new comment.
+ *
+ * Return an empty value from this filter to allow what WP considers a duplicate comment.
+ *
+ * @since 4.4.0
+ *
+ * @param int $dupe_id ID of the comment identified as a duplicate.
+ * @param array $commentdata Data for the comment being created.
+ */
+ $dupe_id = apply_filters( 'duplicate_comment_id', $dupe_id, $commentdata );
+
+ if ( $dupe_id ) {
+ /**
+ * 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’ve already said that!') );
+ }
+ wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
+ }
- 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");
+ /**
+ * 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',
+ $commentdata['comment_author_IP'],
+ $commentdata['comment_author_email'],
+ $commentdata['comment_date_gmt']
+ );
+
+ if ( ! empty( $commentdata['user_id'] ) ) {
+ $user = get_userdata( $commentdata['user_id'] );
+ $post_author = $wpdb->get_var( $wpdb->prepare(
+ "SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1",
+ $commentdata['comment_post_ID']
+ ) );
}
- if ( $userdata && ( $user_id == $post_author || $user->has_cap('level_9') ) ) {
+ if ( isset( $user ) && ( $commentdata['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) )
+ if ( check_comment(
+ $commentdata['comment_author'],
+ $commentdata['comment_author_email'],
+ $commentdata['comment_author_url'],
+ $commentdata['comment_content'],
+ $commentdata['comment_author_IP'],
+ $commentdata['comment_agent'],
+ $commentdata['comment_type']
+ ) ) {
$approved = 1;
- else
+ } else {
$approved = 0;
- if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) )
- $approved = 'spam';
+ }
+
+ if ( wp_blacklist_check(
+ $commentdata['comment_author'],
+ $commentdata['comment_author_email'],
+ $commentdata['comment_author_url'],
+ $commentdata['comment_content'],
+ $commentdata['comment_author_IP'],
+ $commentdata['comment_agent']
+ ) ) {
+ $approved = EMPTY_TRASH_DAYS ? 'trash' : 'spam';
+ }
}
- $approved = apply_filters('pre_comment_approved', $approved);
+ /**
+ * Filters 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;
}
+/**
+ * Check whether comment flooding is occurring.
+ *
+ * Won't run, if current user can manage options, so to not block
+ * administrators.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $ip Comment IP.
+ * @param string $email Comment author email address.
+ * @param string $date MySQL time string.
+ */
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") ) {
- $time_lastcomment = mysql2date('U', $lasttime);
- $time_newcomment = mysql2date('U', $date);
- $flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);
+ // don't throttle admins or moderators
+ if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) {
+ return;
+ }
+ $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
+
+ if ( is_user_logged_in() ) {
+ $user = get_current_user_id();
+ $check_column = '`user_id`';
+ } else {
+ $user = $ip;
+ $check_column = '`comment_author_IP`';
+ }
+
+ $sql = $wpdb->prepare(
+ "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( $check_column = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1",
+ $hour_ago,
+ $user,
+ $email
+ );
+ $lasttime = $wpdb->get_var( $sql );
+ if ( $lasttime ) {
+ $time_lastcomment = mysql2date('U', $lasttime, false);
+ $time_newcomment = mysql2date('U', $date, false);
+ /**
+ * Filters 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);
- wp_die( __('You are posting comments too quickly. Slow down.') );
+ /**
+ * Fires before the comment flood message is triggered.
+ *
+ * @since 1.5.0
+ *
+ * @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, $time_newcomment );
+
+ if ( defined('DOING_AJAX') )
+ die( __('You are posting comments too quickly. Slow down.') );
+
+ wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
}
}
}
-function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
+/**
+ * Separates an array of comments into an array keyed by comment_type.
+ *
+ * @since 2.7.0
+ *
+ * @param array $comments Array of comments
+ * @return array Array of comments keyed by comment_type.
+ */
+function separate_comments(&$comments) {
+ $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
+ $count = count($comments);
+ for ( $i = 0; $i < $count; $i++ ) {
+ $type = $comments[$i]->comment_type;
+ if ( empty($type) )
+ $type = 'comment';
+ $comments_by_type[$type][] = &$comments[$i];
+ if ( 'trackback' == $type || 'pingback' == $type )
+ $comments_by_type['pings'][] = &$comments[$i];
+ }
+
+ return $comments_by_type;
+}
+
+/**
+ * Calculate the total number of comment pages.
+ *
+ * @since 2.7.0
+ *
+ * @uses Walker_Comment
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param array $comments Optional array of WP_Comment objects. Defaults to $wp_query->comments
+ * @param int $per_page Optional comments per page.
+ * @param bool $threaded Optional control over flat or threaded comments.
+ * @return int Number of comment pages.
+ */
+function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
+ global $wp_query;
+
+ if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )
+ return $wp_query->max_num_comment_pages;
+
+ if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments ) )
+ $comments = $wp_query->comments;
+
+ if ( empty($comments) )
+ return 0;
+
+ if ( ! get_option( 'page_comments' ) ) {
+ return 1;
+ }
+
+ if ( !isset($per_page) )
+ $per_page = (int) get_query_var('comments_per_page');
+ if ( 0 === $per_page )
+ $per_page = (int) get_option('comments_per_page');
+ if ( 0 === $per_page )
+ return 1;
+
+ if ( !isset($threaded) )
+ $threaded = get_option('thread_comments');
+
+ if ( $threaded ) {
+ $walker = new Walker_Comment;
+ $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
+ } else {
+ $count = ceil( count( $comments ) / $per_page );
+ }
+
+ return $count;
+}
+
+/**
+ * Calculate what page number a comment will appear on for comment paging.
+ *
+ * @since 2.7.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $comment_ID Comment ID.
+ * @param array $args {
+ * Array of optional arguments.
+ * @type string $type Limit paginated comments to those matching a given type. Accepts 'comment',
+ * 'trackback', 'pingback', 'pings' (trackbacks and pingbacks), or 'all'.
+ * Default is 'all'.
+ * @type int $per_page Per-page count to use when calculating pagination. Defaults to the value of the
+ * 'comments_per_page' option.
+ * @type int|string $max_depth If greater than 1, comment page will be determined for the top-level parent of
+ * `$comment_ID`. Defaults to the value of the 'thread_comments_depth' option.
+ * } *
+ * @return int|null Comment page number or null on error.
+ */
+function get_page_of_comment( $comment_ID, $args = array() ) {
global $wpdb;
- do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
+ $page = null;
+
+ if ( !$comment = get_comment( $comment_ID ) )
+ return;
+
+ $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
+ $args = wp_parse_args( $args, $defaults );
+ $original_args = $args;
+
+ // Order of precedence: 1. `$args['per_page']`, 2. 'comments_per_page' query_var, 3. 'comments_per_page' option.
+ if ( get_option( 'page_comments' ) ) {
+ if ( '' === $args['per_page'] ) {
+ $args['per_page'] = get_query_var( 'comments_per_page' );
+ }
+
+ if ( '' === $args['per_page'] ) {
+ $args['per_page'] = get_option( 'comments_per_page' );
+ }
+ }
+
+ if ( empty($args['per_page']) ) {
+ $args['per_page'] = 0;
+ $args['page'] = 0;
+ }
+
+ if ( $args['per_page'] < 1 ) {
+ $page = 1;
+ }
- if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {
- foreach ( (array) $chars[1] as $char ) {
- // If it's an encoded char in the normal ASCII set, reject
- if ( 38 == $char )
- continue; // Unless it's &
- if ( $char < 128 )
- return true;
+ if ( null === $page ) {
+ if ( '' === $args['max_depth'] ) {
+ if ( get_option('thread_comments') )
+ $args['max_depth'] = get_option('thread_comments_depth');
+ else
+ $args['max_depth'] = -1;
+ }
+
+ // Find this comment's top level parent if threading is enabled
+ if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )
+ return get_page_of_comment( $comment->comment_parent, $args );
+
+ $comment_args = array(
+ 'type' => $args['type'],
+ 'post_id' => $comment->comment_post_ID,
+ 'fields' => 'ids',
+ 'count' => true,
+ 'status' => 'approve',
+ 'parent' => 0,
+ 'date_query' => array(
+ array(
+ 'column' => "$wpdb->comments.comment_date_gmt",
+ 'before' => $comment->comment_date_gmt,
+ )
+ ),
+ );
+
+ $comment_query = new WP_Comment_Query();
+ $older_comment_count = $comment_query->query( $comment_args );
+
+ // No older comments? Then it's page #1.
+ if ( 0 == $older_comment_count ) {
+ $page = 1;
+
+ // Divide comments older than this one by comments per page to get this comment's page number
+ } else {
+ $page = ceil( ( $older_comment_count + 1 ) / $args['per_page'] );
}
}
+ /**
+ * Filters the calculated page on which a comment appears.
+ *
+ * @since 4.4.0
+ *
+ * @param int $page Comment page.
+ * @param array $args {
+ * Arguments used to calculate pagination. These include arguments auto-detected by the function,
+ * based on query vars, system settings, etc. For pristine arguments passed to the function,
+ * see `$original_args`.
+ *
+ * @type string $type Type of comments to count.
+ * @type int $page Calculated current page.
+ * @type int $per_page Calculated number of comments per page.
+ * @type int $max_depth Maximum comment threading depth allowed.
+ * }
+ * @param array $original_args {
+ * Array of arguments passed to the function. Some or all of these may not be set.
+ *
+ * @type string $type Type of comments to count.
+ * @type int $page Current comment page.
+ * @type int $per_page Number of comments per page.
+ * @type int $max_depth Maximum comment threading depth allowed.
+ * }
+ */
+ return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args );
+}
+
+/**
+ * Retrieves the maximum character lengths for the comment form fields.
+ *
+ * @since 4.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return array Maximum character length for the comment form fields.
+ */
+function wp_get_comment_fields_max_lengths() {
+ global $wpdb;
+
+ $lengths = array(
+ 'comment_author' => 245,
+ 'comment_author_email' => 100,
+ 'comment_author_url' => 200,
+ 'comment_content' => 65525,
+ );
+
+ if ( $wpdb->is_mysql ) {
+ foreach ( $lengths as $column => $length ) {
+ $col_length = $wpdb->get_col_length( $wpdb->comments, $column );
+ $max_length = 0;
+
+ // No point if we can't get the DB column lengths
+ if ( is_wp_error( $col_length ) ) {
+ break;
+ }
+
+ if ( ! is_array( $col_length ) && (int) $col_length > 0 ) {
+ $max_length = (int) $col_length;
+ } elseif ( is_array( $col_length ) && isset( $col_length['length'] ) && intval( $col_length['length'] ) > 0 ) {
+ $max_length = (int) $col_length['length'];
+
+ if ( ! empty( $col_length['type'] ) && 'byte' === $col_length['type'] ) {
+ $max_length = $max_length - 10;
+ }
+ }
+
+ if ( $max_length > 0 ) {
+ $lengths[ $column ] = $max_length;
+ }
+ }
+ }
+
+ /**
+ * Filters the lengths for the comment form fields.
+ *
+ * @since 4.5.0
+ *
+ * @param array $lengths Associative array `'field_name' => 'maximum length'`.
+ */
+ return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths );
+}
+
+/**
+ * Does comment contain blacklisted characters or words.
+ *
+ * @since 1.5.0
+ *
+ * @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) {
+ /**
+ * Fires before the comment is tested for blacklisted characters or words.
+ *
+ * @since 1.5.0
+ *
+ * @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 )
return false; // If moderation keys are empty
+
+ // Ensure HTML tags are not being used to bypass the blacklist.
+ $comment_without_html = wp_strip_all_tags( $comment );
+
$words = explode("\n", $mod_keys );
foreach ( (array) $words as $word ) {
|| preg_match($pattern, $email)
|| preg_match($pattern, $url)
|| preg_match($pattern, $comment)
+ || preg_match($pattern, $comment_without_html)
|| preg_match($pattern, $user_ip)
|| preg_match($pattern, $user_agent)
)
return false;
}
+/**
+ * Retrieve total comments for blog or single post.
+ *
+ * The properties of the returned object contain the 'moderated', 'approved',
+ * and spam comments for either the entire blog or single post. Those properties
+ * contain the amount of comments that match the status. The 'total_comments'
+ * property contains the integer of total comments.
+ *
+ * The comment stats are cached and then retrieved, if they already exist in the
+ * cache.
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_id Optional. Post ID.
+ * @return object|array Comment stats.
+ */
+function wp_count_comments( $post_id = 0 ) {
+ $post_id = (int) $post_id;
+
+ /**
+ * Filters the comments count for a given post.
+ *
+ * @since 2.7.0
+ *
+ * @param array $count An empty array.
+ * @param int $post_id The post ID.
+ */
+ $filtered = apply_filters( 'wp_count_comments', array(), $post_id );
+ if ( ! empty( $filtered ) ) {
+ return $filtered;
+ }
+
+ $count = wp_cache_get( "comments-{$post_id}", 'counts' );
+ if ( false !== $count ) {
+ return $count;
+ }
+
+ $stats = get_comment_count( $post_id );
+ $stats['moderated'] = $stats['awaiting_moderation'];
+ unset( $stats['awaiting_moderation'] );
+
+ $stats_object = (object) $stats;
+ wp_cache_set( "comments-{$post_id}", $stats_object, 'counts' );
+
+ return $stats_object;
+}
-function wp_delete_comment($comment_id) {
+/**
+ * Trashes or deletes a comment.
+ *
+ * The comment is moved to trash instead of permanently deleted unless trash is
+ * disabled, item is already in the trash, or $force_delete is true.
+ *
+ * The post comment count will be updated if the comment was approved and has a
+ * post ID available.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @param bool $force_delete Whether to bypass trash and force deletion. Default is false.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_comment($comment_id, $force_delete = false) {
global $wpdb;
- do_action('delete_comment', $comment_id);
+ if (!$comment = get_comment($comment_id))
+ return false;
- $comment = get_comment($comment_id);
+ if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status( $comment ), array( 'trash', 'spam' ) ) )
+ return wp_trash_comment($comment_id);
+
+ /**
+ * Fires immediately before a comment is deleted from the database.
+ *
+ * @since 1.2.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'delete_comment', $comment->comment_ID );
+
+ // Move children up a level.
+ $children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment->comment_ID) );
+ if ( !empty($children) ) {
+ $wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment->comment_ID));
+ clean_comment_cache($children);
+ }
+
+ // Delete metadata
+ $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment->comment_ID ) );
+ foreach ( $meta_ids as $mid )
+ delete_metadata_by_mid( 'comment', $mid );
- if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") )
+ if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment->comment_ID ) ) )
return false;
+ /**
+ * 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->comment_ID );
+
$post_id = $comment->comment_post_ID;
if ( $post_id && $comment->comment_approved == 1 )
wp_update_comment_count($post_id);
- clean_comment_cache($comment_id);
+ clean_comment_cache( $comment->comment_ID );
+
+ /** This action is documented in wp-includes/comment.php */
+ do_action( 'wp_set_comment_status', $comment->comment_ID, 'delete' );
- do_action('wp_set_comment_status', $comment_id, 'delete');
+ wp_transition_comment_status('delete', $comment->comment_approved, $comment);
return true;
}
+/**
+ * Moves a comment to the Trash
+ *
+ * If trash is disabled, comment is permanently deleted.
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_trash_comment($comment_id) {
+ if ( !EMPTY_TRASH_DAYS )
+ return wp_delete_comment($comment_id, true);
+
+ if ( !$comment = get_comment($comment_id) )
+ return false;
-function wp_get_comment_status($comment_id) {
- global $wpdb;
+ /**
+ * 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->comment_ID );
+
+ if ( wp_set_comment_status( $comment, 'trash' ) ) {
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+ add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved );
+ add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() );
+
+ /**
+ * 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->comment_ID );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Removes a comment from the Trash
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_untrash_comment($comment_id) {
+ $comment = get_comment( $comment_id );
+ if ( ! $comment ) {
+ return false;
+ }
+ /**
+ * 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->comment_ID );
+
+ $status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true );
+ if ( empty($status) )
+ $status = '0';
+
+ if ( wp_set_comment_status( $comment, $status ) ) {
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+ /**
+ * 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->comment_ID );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Marks a comment as Spam
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_spam_comment( $comment_id ) {
+ $comment = get_comment( $comment_id );
+ if ( ! $comment ) {
+ return false;
+ }
+
+ /**
+ * 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->comment_ID );
+
+ if ( wp_set_comment_status( $comment, 'spam' ) ) {
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+ add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved );
+ add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() );
+ /**
+ * 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->comment_ID );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Removes a comment from the Spam
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_unspam_comment( $comment_id ) {
+ $comment = get_comment( $comment_id );
+ if ( ! $comment ) {
+ return false;
+ }
+
+ /**
+ * 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->comment_ID );
+
+ $status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true );
+ if ( empty($status) )
+ $status = '0';
+
+ if ( wp_set_comment_status( $comment, $status ) ) {
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+ delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+ /**
+ * 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->comment_ID );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * The status of a comment by ID.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object
+ * @return false|string Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
+ */
+function wp_get_comment_status($comment_id) {
$comment = get_comment($comment_id);
if ( !$comment )
return false;
$approved = $comment->comment_approved;
- if ( $approved == NULL )
- return 'deleted';
+ if ( $approved == null )
+ return false;
elseif ( $approved == '1' )
return 'approved';
elseif ( $approved == '0' )
return 'unapproved';
elseif ( $approved == 'spam' )
return 'spam';
+ elseif ( $approved == 'trash' )
+ return 'trash';
else
return false;
}
+/**
+ * Call hooks for when a comment status transition occurs.
+ *
+ * Calls hooks for comment status transitions. If the new comment status is not the same
+ * as the previous comment status, then two hooks will be ran, the first is
+ * {@see 'transition_comment_status'} with new status, old status, and comment data. The
+ * next action called is {@see comment_$old_status_to_$new_status'}. It has the
+ * comment data.
+ *
+ * The final action will run whether or not the comment statuses are the same. The
+ * action is named {@see 'comment_$new_status_$comment->comment_type'}.
+ *
+ * @since 2.7.0
+ *
+ * @param string $new_status New comment status.
+ * @param string $old_status Previous comment status.
+ * @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
+ */
+ $comment_statuses = array(
+ 0 => 'unapproved',
+ 'hold' => 'unapproved', // wp_set_comment_status() uses "hold"
+ 1 => 'approved',
+ 'approve' => 'approved', // wp_set_comment_status() uses "approve"
+ );
+ if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
+ if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
+
+ // Call the hooks
+ if ( $new_status != $old_status ) {
+ /**
+ * 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 WP_Comment $comment Comment object.
+ */
+ do_action( "comment_{$old_status}_to_{$new_status}", $comment );
+ }
+ /**
+ * Fires when the status of a specific comment type is in transition.
+ *
+ * The dynamic portions of the hook name, `$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 WP_Comment $comment Comment object.
+ */
+ do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
+}
+/**
+ * Get current commenter's name, email, and URL.
+ *
+ * Expects cookies content to already be sanitized. User of this function might
+ * wish to recheck the returned array for validity.
+ *
+ * @see sanitize_comment_cookies() Use to sanitize cookies
+ *
+ * @since 2.0.4
+ *
+ * @return array Comment author, email, url respectively.
+ */
function wp_get_current_commenter() {
// Cookies should already be sanitized.
if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
$comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
- return compact('comment_author', 'comment_author_email', 'comment_author_url');
+ /**
+ * Filters the current commenter's name, email, and URL.
+ *
+ * @since 3.1.0
+ *
+ * @param array $comment_author_data {
+ * An array of current commenter variables.
+ *
+ * @type string $comment_author The name of the author of the comment. Default empty.
+ * @type string $comment_author_email The email address of the `$comment_author`. Default empty.
+ * @type string $comment_author_url The URL address of the `$comment_author`. Default empty.
+ * }
+ */
+ return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
}
-
-function wp_insert_comment($commentdata) {
+/**
+ * Inserts a comment into the database.
+ *
+ * @since 2.0.0
+ * @since 4.4.0 Introduced `$comment_meta` argument.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata {
+ * Array of arguments for inserting a new comment.
+ *
+ * @type string $comment_agent The HTTP user agent of the `$comment_author` when
+ * the comment was submitted. Default empty.
+ * @type int|string $comment_approved Whether the comment has been approved. Default 1.
+ * @type string $comment_author The name of the author of the comment. Default empty.
+ * @type string $comment_author_email The email address of the `$comment_author`. Default empty.
+ * @type string $comment_author_IP The IP address of the `$comment_author`. Default empty.
+ * @type string $comment_author_url The URL address of the `$comment_author`. Default empty.
+ * @type string $comment_content The content of the comment. Default empty.
+ * @type string $comment_date The date the comment was submitted. To set the date
+ * manually, `$comment_date_gmt` must also be specified.
+ * Default is the current time.
+ * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
+ * Default is `$comment_date` in the site's GMT timezone.
+ * @type int $comment_karma The karma of the comment. Default 0.
+ * @type int $comment_parent ID of this comment's parent, if any. Default 0.
+ * @type int $comment_post_ID ID of the post that relates to the comment, if any.
+ * Default 0.
+ * @type string $comment_type Comment type. Default empty.
+ * @type array $comment_meta Optional. Array of key/value pairs to be stored in commentmeta for the
+ * new comment.
+ * @type int $user_id ID of the user who submitted the comment. Default 0.
+ * }
+ * @return int|false The new comment's ID on success, false on failure.
+ */
+function wp_insert_comment( $commentdata ) {
global $wpdb;
- extract($commentdata, EXTR_SKIP);
-
- if ( ! isset($comment_author_IP) )
- $comment_author_IP = preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] );
- if ( ! isset($comment_date) )
- $comment_date = current_time('mysql');
- if ( ! isset($comment_date_gmt) )
- $comment_date_gmt = get_gmt_from_date($comment_date);
- if ( ! isset($comment_parent) )
- $comment_parent = 0;
- if ( ! isset($comment_approved) )
- $comment_approved = 1;
- if ( ! isset($user_id) )
- $user_id = 0;
-
- $result = $wpdb->query("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')
- ");
+ $data = wp_unslash( $commentdata );
+
+ $comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
+ $comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
+ $comment_author_url = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url'];
+ $comment_author_IP = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP'];
+
+ $comment_date = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date'];
+ $comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];
+
+ $comment_post_ID = ! isset( $data['comment_post_ID'] ) ? 0 : $data['comment_post_ID'];
+ $comment_content = ! isset( $data['comment_content'] ) ? '' : $data['comment_content'];
+ $comment_karma = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma'];
+ $comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved'];
+ $comment_agent = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent'];
+ $comment_type = ! isset( $data['comment_type'] ) ? '' : $data['comment_type'];
+ $comment_parent = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent'];
+
+ $user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];
+
+ $compacted = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id' );
+ if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
+ return false;
+ }
$id = (int) $wpdb->insert_id;
- if ( $comment_approved == 1)
- wp_update_comment_count($comment_post_ID);
+ if ( $comment_approved == 1 ) {
+ wp_update_comment_count( $comment_post_ID );
+ }
+
+ clean_comment_cache( $id );
+
+ $comment = get_comment( $id );
+
+ // If metadata is provided, store it.
+ if ( isset( $commentdata['comment_meta'] ) && is_array( $commentdata['comment_meta'] ) ) {
+ foreach ( $commentdata['comment_meta'] as $meta_key => $meta_value ) {
+ add_comment_meta( $comment->comment_ID, $meta_key, $meta_value, true );
+ }
+ }
+
+ /**
+ * Fires immediately after a comment is inserted into the database.
+ *
+ * @since 2.8.0
+ *
+ * @param int $id The comment ID.
+ * @param WP_Comment $comment Comment object.
+ */
+ do_action( 'wp_insert_comment', $id, $comment );
return $id;
}
-
+/**
+ * Filters and sanitizes comment data.
+ *
+ * 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
+ *
+ * @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']);
- $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'] ) ) {
+ /**
+ * Filters 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 1.5.0
+ *
+ * @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'] );
+ }
+
+ /**
+ * Filters the comment author's browser user agent before it is set.
+ *
+ * @since 1.5.0
+ *
+ * @param string $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'] );
+ /**
+ * Filters the comment content before it is set.
+ *
+ * @since 1.5.0
+ *
+ * @param string $comment_content The comment content.
+ */
+ $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
+ /**
+ * Filters the comment author's IP before it is set.
+ *
+ * @since 1.5.0
+ *
+ * @param string $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 a comment should be blocked because of comment flood.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $block Whether plugin has already blocked comment.
+ * @param int $time_lastcomment Timestamp for last comment.
+ * @param int $time_newcomment Timestamp for new comment.
+ * @return bool Whether comment should be blocked.
+ */
function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
if ( $block ) // a plugin has already blocked... we'll let that decision stand
return $block;
return false;
}
-
+/**
+ * Adds a new comment to the database.
+ *
+ * Filters new comment to ensure that the fields are sanitized and valid before
+ * inserting comment into database. Calls {@see 'comment_post'} action with comment ID
+ * and whether comment is approved by WordPress. Also has {@see 'preprocess_comment'}
+ * filter for processing the comment data before the function handles it.
+ *
+ * We use `REMOTE_ADDR` here directly. If you are behind a proxy, you should ensure
+ * that it is properly set, such as in wp-config.php, for your environment.
+ *
+ * See {@link https://core.trac.wordpress.org/ticket/9235}
+ *
+ * @since 1.5.0
+ * @since 4.3.0 'comment_agent' and 'comment_author_IP' can be set via `$commentdata`.
+ *
+ * @see wp_insert_comment()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata {
+ * Comment data.
+ *
+ * @type string $comment_author The name of the comment author.
+ * @type string $comment_author_email The comment author email address.
+ * @type string $comment_author_url The comment author URL.
+ * @type string $comment_content The content of the comment.
+ * @type string $comment_date The date the comment was submitted. Default is the current time.
+ * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
+ * Default is `$comment_date` in the GMT timezone.
+ * @type int $comment_parent The ID of this comment's parent, if any. Default 0.
+ * @type int $comment_post_ID The ID of the post that relates to the comment.
+ * @type int $user_id The ID of the user who submitted the comment. Default 0.
+ * @type int $user_ID Kept for backward-compatibility. Use `$user_id` instead.
+ * @type string $comment_agent Comment author user agent. Default is the value of 'HTTP_USER_AGENT'
+ * in the `$_SERVER` superglobal sent in the original request.
+ * @type string $comment_author_IP Comment author IP address in IPv4 format. Default is the value of
+ * 'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request.
+ * }
+ * @return int|false The ID of the comment on success, false on failure.
+ */
function wp_new_comment( $commentdata ) {
- $commentdata = apply_filters('preprocess_comment', $commentdata);
+ global $wpdb;
+
+ if ( isset( $commentdata['user_ID'] ) ) {
+ $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+ }
+
+ $prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0;
+
+ /**
+ * Filters a comment's data before it is sanitized and inserted into the database.
+ *
+ * @since 1.5.0
+ *
+ * @param array $commentdata Comment data.
+ */
+ $commentdata = apply_filters( 'preprocess_comment', $commentdata );
$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
- $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+ if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) {
+ $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+ } elseif ( isset( $commentdata['user_id'] ) ) {
+ $commentdata['user_id'] = (int) $commentdata['user_id'];
+ }
- $commentdata['comment_author_IP'] = preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] );
- $commentdata['comment_agent'] = $_SERVER['HTTP_USER_AGENT'];
+ $commentdata['comment_parent'] = isset($commentdata['comment_parent']) ? absint($commentdata['comment_parent']) : 0;
+ $parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';
+ $commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;
- $commentdata['comment_date'] = current_time('mysql');
- $commentdata['comment_date_gmt'] = current_time('mysql', 1);
+ if ( ! isset( $commentdata['comment_author_IP'] ) ) {
+ $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
+ }
+ $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '', $commentdata['comment_author_IP'] );
+
+ if ( ! isset( $commentdata['comment_agent'] ) ) {
+ $commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT']: '';
+ }
+ $commentdata['comment_agent'] = substr( $commentdata['comment_agent'], 0, 254 );
+
+ if ( empty( $commentdata['comment_date'] ) ) {
+ $commentdata['comment_date'] = current_time('mysql');
+ }
+
+ if ( empty( $commentdata['comment_date_gmt'] ) ) {
+ $commentdata['comment_date_gmt'] = current_time( 'mysql', 1 );
+ }
$commentdata = wp_filter_comment($commentdata);
$commentdata['comment_approved'] = wp_allow_comment($commentdata);
$comment_ID = wp_insert_comment($commentdata);
+ if ( ! $comment_ID ) {
+ $fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' );
- do_action('comment_post', $comment_ID, $commentdata['comment_approved']);
+ foreach ( $fields as $field ) {
+ if ( isset( $commentdata[ $field ] ) ) {
+ $commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] );
+ }
+ }
- if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
- if ( '0' == $commentdata['comment_approved'] )
- wp_notify_moderator($comment_ID);
+ $commentdata = wp_filter_comment( $commentdata );
- $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment
+ $commentdata['comment_approved'] = wp_allow_comment( $commentdata );
- if ( get_option('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] )
- wp_notify_postauthor($comment_ID, $commentdata['comment_type']);
+ $comment_ID = wp_insert_comment( $commentdata );
+ if ( ! $comment_ID ) {
+ return false;
+ }
}
+ /**
+ * Fires immediately after a comment is inserted into the database.
+ *
+ * @since 1.2.0
+ * @since 4.5.0 The `$commentdata` parameter was added.
+ *
+ * @param int $comment_ID The comment ID.
+ * @param int|string $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam.
+ * @param array $commentdata Comment data.
+ */
+ do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'], $commentdata );
+
return $comment_ID;
}
+/**
+ * Send a comment moderation notification to the comment moderator.
+ *
+ * @since 4.4.0
+ *
+ * @param int $comment_ID ID of the comment.
+ * @return bool True on success, false on failure.
+ */
+function wp_new_comment_notify_moderator( $comment_ID ) {
+ $comment = get_comment( $comment_ID );
-function wp_set_comment_status($comment_id, $comment_status) {
+ // Only send notifications for pending comments.
+ $maybe_notify = ( '0' == $comment->comment_approved );
+
+ /** This filter is documented in wp-includes/comment.php */
+ $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_ID );
+
+ if ( ! $maybe_notify ) {
+ return false;
+ }
+
+ return wp_notify_moderator( $comment_ID );
+}
+
+/**
+ * Send a notification of a new comment to the post author.
+ *
+ * @since 4.4.0
+ *
+ * Uses the {@see 'notify_post_author'} filter to determine whether the post author
+ * should be notified when a new comment is added, overriding site setting.
+ *
+ * @param int $comment_ID Comment ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_new_comment_notify_postauthor( $comment_ID ) {
+ $comment = get_comment( $comment_ID );
+
+ $maybe_notify = get_option( 'comments_notify' );
+
+ /**
+ * Filters whether to send the post author new comment notification emails,
+ * overriding the site setting.
+ *
+ * @since 4.4.0
+ *
+ * @param bool $maybe_notify Whether to notify the post author about the new comment.
+ * @param int $comment_ID The ID of the comment for the notification.
+ */
+ $maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_ID );
+
+ /*
+ * wp_notify_postauthor() checks if notifying the author of their own comment.
+ * By default, it won't, but filters can override this.
+ */
+ if ( ! $maybe_notify ) {
+ return false;
+ }
+
+ // Only send notifications for approved comments.
+ if ( ! isset( $comment->comment_approved ) || '1' != $comment->comment_approved ) {
+ return false;
+ }
+
+ return wp_notify_postauthor( $comment_ID );
+}
+
+/**
+ * Sets the status of a comment.
+ *
+ * The {@see 'wp_set_comment_status'} action is called after the comment is handled.
+ * If the comment status is not in the list, then false is returned.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'.
+ * @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default is false.
+ * @return bool|WP_Error True on success, false or WP_Error on failure.
+ */
+function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) {
global $wpdb;
switch ( $comment_status ) {
case 'hold':
- $query = "UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID='$comment_id' LIMIT 1";
+ case '0':
+ $status = '0';
break;
case 'approve':
- $query = "UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID='$comment_id' LIMIT 1";
+ case '1':
+ $status = '1';
+ add_action( 'wp_set_comment_status', 'wp_new_comment_notify_postauthor' );
break;
case 'spam':
- $query = "UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID='$comment_id' LIMIT 1";
+ $status = 'spam';
break;
- case 'delete':
- return wp_delete_comment($comment_id);
+ case 'trash':
+ $status = 'trash';
break;
default:
return false;
}
- if ( !$wpdb->query($query) )
- return false;
+ $comment_old = clone get_comment($comment_id);
+
+ if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array( 'comment_ID' => $comment_old->comment_ID ) ) ) {
+ if ( $wp_error )
+ return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
+ else
+ return false;
+ }
- clean_comment_cache($comment_id);
+ clean_comment_cache( $comment_old->comment_ID );
+
+ $comment = get_comment( $comment_old->comment_ID );
+
+ /**
+ * Fires immediately before transitioning a comment's status from one to another
+ * in the database.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_id Comment ID.
+ * @param string|bool $comment_status Current comment status. Possible values include
+ * 'hold', 'approve', 'spam', 'trash', or false.
+ */
+ do_action( 'wp_set_comment_status', $comment->comment_ID, $comment_status );
+
+ wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
- do_action('wp_set_comment_status', $comment_id, $comment_status);
- $comment = get_comment($comment_id);
wp_update_comment_count($comment->comment_post_ID);
return true;
}
-
+/**
+ * Updates an existing comment in the database.
+ *
+ * Filters the comment and makes sure certain fields are valid before updating.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @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;
// First, get all of the original fields
$comment = get_comment($commentarr['comment_ID'], ARRAY_A);
+ if ( empty( $comment ) ) {
+ return 0;
+ }
+
+ // Make sure that the comment post ID is valid (if specified).
+ if ( ! empty( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) {
+ return 0;
+ }
// Escape data pulled from DB.
- foreach ( (array) $comment as $key => $value )
- $comment[$key] = $wpdb->escape($value);
+ $comment = wp_slash($comment);
+
+ $old_status = $comment['comment_approved'];
// Merge old and new fields with new fields overwriting old ones.
$commentarr = array_merge($comment, $commentarr);
$commentarr = wp_filter_comment( $commentarr );
// Now extract the merged array.
- extract($commentarr, EXTR_SKIP);
+ $data = wp_unslash( $commentarr );
+
+ /**
+ * Filters the comment content before it is updated in the database.
+ *
+ * @since 1.5.0
+ *
+ * @param string $comment_content The comment data.
+ */
+ $data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] );
+
+ $data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] );
+
+ if ( ! isset( $data['comment_approved'] ) ) {
+ $data['comment_approved'] = 1;
+ } elseif ( 'hold' == $data['comment_approved'] ) {
+ $data['comment_approved'] = 0;
+ } elseif ( 'approve' == $data['comment_approved'] ) {
+ $data['comment_approved'] = 1;
+ }
+
+ $comment_ID = $data['comment_ID'];
+ $comment_post_ID = $data['comment_post_ID'];
+ $keys = array( 'comment_post_ID', 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_type', 'comment_parent', 'user_id', 'comment_agent', 'comment_author_IP' );
+ $data = wp_array_slice_assoc( $data, $keys );
+ $rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_ID' ) );
+
+ clean_comment_cache( $comment_ID );
+ wp_update_comment_count( $comment_post_ID );
+ /**
+ * Fires immediately after a comment is updated in the database.
+ *
+ * The hook also fires immediately before comment status transition hooks are fired.
+ *
+ * @since 1.2.0
+ * @since 4.6.0 Added the `$data` parameter.
+ *
+ * @param int $comment_ID The comment ID.
+ * @param array $data Comment data.
+ */
+ do_action( 'edit_comment', $comment_ID, $data );
+ $comment = get_comment($comment_ID);
+ wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
+ 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 2.5.0
+ * @staticvar bool $_defer
+ *
+ * @param bool $defer
+ * @return bool
+ */
+function wp_defer_comment_counting($defer=null) {
+ static $_defer = false;
+
+ if ( is_bool($defer) ) {
+ $_defer = $defer;
+ // flush any deferred counts
+ if ( !$defer )
+ wp_update_comment_count( null, true );
+ }
- $comment_content = apply_filters('comment_save_pre', $comment_content);
+ return $_defer;
+}
- $comment_date_gmt = get_gmt_from_date($comment_date);
+/**
+ * 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
+ *
+ * @staticvar array $_deferred
+ *
+ * @param int|null $post_id Post ID.
+ * @param bool $do_deferred Optional. Whether to process previously deferred
+ * post comment counts. Default false.
+ * @return bool|void True on success, false on failure or if post with ID does
+ * not exist.
+ */
+function wp_update_comment_count($post_id, $do_deferred=false) {
+ static $_deferred = array();
+
+ if ( empty( $post_id ) && ! $do_deferred ) {
+ return false;
+ }
- $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" );
+ 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 */
+ }
+ }
- $rval = $wpdb->rows_affected;
+ if ( wp_defer_comment_counting() ) {
+ $_deferred[] = $post_id;
+ return true;
+ }
+ elseif ( $post_id ) {
+ return wp_update_comment_count_now($post_id);
+ }
- clean_comment_cache($comment_ID);
- wp_update_comment_count($comment_post_ID);
- do_action('edit_comment', $comment_ID);
- return $rval;
}
-
-function wp_update_comment_count($post_id) {
- global $wpdb, $comment_count_cache;
+/**
+ * Updates the comment count for the post.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Post ID
+ * @return bool True on success, false on '0' $post_id or if post with ID does not exist.
+ */
+function wp_update_comment_count_now($post_id) {
+ global $wpdb;
$post_id = (int) $post_id;
if ( !$post_id )
return false;
+
+ wp_cache_delete( 'comments-0', 'counts' );
+ wp_cache_delete( "comments-{$post_id}", 'counts' );
+
if ( !$post = get_post($post_id) )
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;
- if ( 'page' == $post->post_type )
- clean_page_cache( $post_id );
- else
- clean_post_cache( $post_id );
+ /**
+ * Filters a post's comment count before it is updated in the database.
+ *
+ * @since 4.5.0
+ *
+ * @param int $new The new comment count. Default null.
+ * @param int $old The old comment count.
+ * @param int $post_id Post ID.
+ */
+ $new = apply_filters( 'pre_wp_update_comment_count_now', null, $old, $post_id );
+
+ if ( is_null( $new ) ) {
+ $new = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id ) );
+ } else {
+ $new = (int) $new;
+ }
- do_action('wp_update_comment_count', $post_id, $new, $old);
- do_action('edit_post', $post_id, $post);
+ $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
+
+ clean_post_cache( $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, $post );
return true;
}
-
//
// Ping and trackback functions.
//
-function discover_pingback_server_uri($url, $timeout_bytes = 2048) {
- global $wp_version;
+/**
+ * Finds a pingback server URI based on the given URL.
+ *
+ * Checks the HTML for the rel="pingback" link and x-pingback headers. It does
+ * a check for the x-pingback headers first and returns that, if available. The
+ * check for the rel="pingback" has more overhead than just the header.
+ *
+ * @since 1.5.0
+ *
+ * @param string $url URL to ping.
+ * @param int $deprecated Not Used.
+ * @return false|string False on failure, string containing URI on success.
+ */
+function discover_pingback_server_uri( $url, $deprecated = '' ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.7.0' );
- $byte_count = 0;
- $contents = '';
- $headers = '';
$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);
+ /** @todo Should use Filter Extension or custom preg_match instead. */
+ $parsed_url = parse_url($url);
+
+ if ( ! isset( $parsed_url['host'] ) ) // Not a URL. This should never happen.
+ return false;
- if ( !isset($host) ) // Not an URL. This should never happen.
+ //Do not search for a pingback server on our own uploads
+ $uploads_dir = wp_get_upload_dir();
+ if ( 0 === strpos($url, $uploads_dir['baseurl']) )
return false;
- $path = ( !isset($path) ) ? '/' : $path;
- $path .= ( isset($query) ) ? '?' . $query : '';
- $port = ( isset($port) ) ? $port : 80;
+ $response = wp_safe_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
- // Try to connect to the server at $host
- $fp = @fsockopen($host, $port, $errno, $errstr, 2);
- if ( !$fp ) // Couldn't open a connection to $host
+ if ( is_wp_error( $response ) )
return false;
- // Send the GET request
- $request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version \r\n\r\n";
- // ob_end_flush();
- fputs($fp, $request);
+ if ( wp_remote_retrieve_header( $response, 'x-pingback' ) )
+ return wp_remote_retrieve_header( $response, 'x-pingback' );
- // Let's check for an X-Pingback header first
- while ( !feof($fp) ) {
- $line = fgets($fp, 512);
- if ( trim($line) == '' )
- break;
- $headers .= trim($line)."\n";
- $x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str);
- if ( $x_pingback_header_offset ) {
- // We got it!
- preg_match('#x-pingback: (.+)#is', $headers, $matches);
- $pingback_server_url = trim($matches[1]);
- return $pingback_server_url;
- }
- if ( strpos(strtolower($headers), 'content-type: ') ) {
- preg_match('#content-type: (.+)#is', $headers, $matches);
- $content_type = trim($matches[1]);
- }
- }
+ // Not an (x)html, sgml, or xml page, no use going further.
+ if ( preg_match('#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'content-type' )) )
+ return false;
- if ( preg_match('#(image|audio|video|model)/#is', $content_type) ) // Not an (x)html, sgml, or xml page, no use going further
+ // Now do a GET since we're going to look in the html headers (and we're sure it's not a binary file)
+ $response = wp_safe_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
+
+ if ( is_wp_error( $response ) )
return false;
- while ( !feof($fp) ) {
- $line = fgets($fp, 1024);
- $contents .= trim($line);
- $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
- $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
- if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
- $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
- $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
- $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
- $pingback_href_start = $pingback_href_pos+6;
- $pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
- $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!
- 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.)
- return false;
+ $contents = wp_remote_retrieve_body( $response );
+
+ $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
+ $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
+ if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
+ $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
+ $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
+ $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
+ $pingback_href_start = $pingback_href_pos+6;
+ $pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
+ $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!
+ return $pingback_server_url;
}
}
- // We didn't find anything.
return false;
}
-
+/**
+ * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
function do_all_pings() {
global $wpdb;
// Do pingbacks
- while ($ping = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
- $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';");
- pingback($ping->post_content, $ping->ID);
+ while ($ping = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
+ delete_metadata_by_mid( 'post', $ping->meta_id );
+ pingback( $ping->post_content, $ping->ID );
}
// Do Enclosures
- while ($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 = {$enclosure->ID} AND meta_key = '_encloseme';");
- do_enclose($enclosure->post_content, $enclosure->ID);
+ while ($enclosure = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
+ delete_metadata_by_mid( 'post', $enclosure->meta_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();
}
+/**
+ * Perform trackbacks.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @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 = get_post( $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'");
+ $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) );
return;
}
- if ( empty($post->post_excerpt) )
- $excerpt = apply_filters('the_content', $post->post_content);
- else
- $excerpt = apply_filters('the_excerpt', $post->post_excerpt);
+ if ( empty($post->post_excerpt) ) {
+ /** This filter is documented in wp-includes/post-template.php */
+ $excerpt = apply_filters( 'the_content', $post->post_content, $post->ID );
+ } else {
+ /** This filter is documented in wp-includes/post-template.php */
+ $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);
+ /** This filter is documented in wp-includes/post-template.php */
+ $post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
$post_title = strip_tags($post_title);
if ( $to_ping ) {
trackback($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, %s, '')) WHERE ID = %d", $tb_ping, $post_id) );
}
}
}
}
-
-function generic_ping($post_id = 0) {
+/**
+ * Sends pings to all of the ping site services.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_id Post ID.
+ * @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.
+ *
+ * @since 0.71
+ *
+ * @global string $wp_version
+ *
+ * @param string $content Post content to check for links.
+ * @param int $post_ID Post ID.
+ */
function pingback($content, $post_ID) {
- global $wp_version, $wpdb;
+ global $wp_version;
include_once(ABSPATH . WPINC . '/class-IXR.php');
+ include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
// original code by Mort (http://mort.mine.nu:8080)
$post_links = array();
$pung = get_pung($post_ID);
- // Variables
- $ltrs = '\w';
- $gunk = '/#~:.?+=&%@!\-';
- $punc = '.:?\-';
- $any = $ltrs . $gunk . $punc;
-
// Step 1
// Parsing the post, external links (if any) are stored in the $post_links array
- // This regexp comes straight from phpfreaks.com
- // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php
- preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
+ $post_links_temp = wp_extract_urls( $content );
// Step 2.
// Walking thru the links array
// http://dummy-weblog.org/post.php
// We don't wanna ping first and second types, even if they have a valid <link/>
- foreach ( $post_links_temp[0] as $link_test ) :
+ foreach ( (array) $post_links_temp as $link_test ) :
if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
&& !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
- $test = parse_url($link_test);
- if ( isset($test['query']) )
- $post_links[] = $link_test;
- elseif ( ($test['path'] != '/') && ($test['path'] != '') )
- $post_links[] = $link_test;
+ if ( $test = @parse_url($link_test) ) {
+ if ( isset($test['query']) )
+ $post_links[] = $link_test;
+ elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
+ $post_links[] = $link_test;
+ }
endif;
endforeach;
- do_action_ref_array('pre_ping', array(&$post_links, &$pung));
+ $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 ) {
- $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);
+ $pingback_server_url = discover_pingback_server_uri( $pagelinkedto );
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
- $client = new IXR_Client($pingback_server_url);
+ $client = new WP_HTTP_IXR_Client($pingback_server_url);
$client->timeout = 3;
- $client->useragent .= ' -- WordPress/' . $wp_version;
-
+ /**
+ * Filters 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;
}
}
-
+/**
+ * Check whether blog is public before returning sites.
+ *
+ * @since 2.1.0
+ *
+ * @param mixed $sites Will return if blog is public, will not return if not public.
+ * @return mixed Empty string if blog is not public, returns $sites, if site is public.
+ */
function privacy_ping_filter($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
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $trackback_url URL to send trackbacks.
+ * @param string $title Title of post.
+ * @param string $excerpt Excerpt of post.
+ * @param int $ID Post ID.
+ * @return int|false|void Database query from update.
+ */
function trackback($trackback_url, $title, $excerpt, $ID) {
- global $wpdb, $wp_version;
+ global $wpdb;
if ( empty($trackback_url) )
return;
- $title = urlencode($title);
- $excerpt = urlencode($excerpt);
- $blog_name = urlencode(get_option('blogname'));
- $tb_url = $trackback_url;
- $url = urlencode(get_permalink($ID));
- $query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt";
- $trackback_url = parse_url($trackback_url);
- $http_request = 'POST ' . $trackback_url['path'] . ($trackback_url['query'] ? '?'.$trackback_url['query'] : '') . " HTTP/1.0\r\n";
- $http_request .= 'Host: '.$trackback_url['host']."\r\n";
- $http_request .= 'Content-Type: application/x-www-form-urlencoded; charset='.get_option('blog_charset')."\r\n";
- $http_request .= 'Content-Length: '.strlen($query_string)."\r\n";
- $http_request .= "User-Agent: WordPress/" . $wp_version;
- $http_request .= "\r\n\r\n";
- $http_request .= $query_string;
- if ( '' == $trackback_url['port'] )
- $trackback_url['port'] = 80;
- $fs = @fsockopen($trackback_url['host'], $trackback_url['port'], $errno, $errstr, 4);
- @fputs($fs, $http_request);
- @fclose($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'");
-}
+ $options = array();
+ $options['timeout'] = 10;
+ $options['body'] = array(
+ 'title' => $title,
+ 'url' => get_permalink($ID),
+ 'blog_name' => get_option('blogname'),
+ 'excerpt' => $excerpt
+ );
+
+ $response = wp_safe_remote_post( $trackback_url, $options );
+ if ( is_wp_error( $response ) )
+ return;
+
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $ID) );
+ return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $ID) );
+}
+/**
+ * Send a pingback.
+ *
+ * @since 1.2.0
+ *
+ * @global string $wp_version
+ *
+ * @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');
+ include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
// using a timeout of 3 seconds should be enough to cover slow servers
- $client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
+ $client = new WP_HTTP_IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
$client->timeout = 3;
$client->useragent .= ' -- WordPress/'.$wp_version;
// when set to true, this outputs debug messages by itself
$client->debug = false;
- $home = trailingslashit( get_option('home') );
+ $home = trailingslashit( home_url() );
if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
$client->query('weblogUpdates.ping', get_option('blogname'), $home);
}
+/**
+ * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI
+ *
+ * @since 3.5.1
+ * @see wp_http_validate_url()
+ *
+ * @param string $source_uri
+ * @return string
+ */
+function pingback_ping_source_uri( $source_uri ) {
+ return (string) wp_http_validate_url( $source_uri );
+}
+
+/**
+ * Default filter attached to xmlrpc_pingback_error.
+ *
+ * Returns a generic pingback error code unless the error code is 48,
+ * which reports that the pingback is already registered.
+ *
+ * @since 3.5.1
+ * @link https://www.hixie.ch/specs/pingback/pingback#TOC3
+ *
+ * @param IXR_Error $ixr_error
+ * @return IXR_Error
+ */
+function xmlrpc_pingback_error( $ixr_error ) {
+ if ( $ixr_error->code === 48 )
+ return $ixr_error;
+ return new IXR_Error( 0, '' );
+}
+
//
// Cache
//
-function clean_comment_cache($id) {
- wp_cache_delete($id, 'comment');
+/**
+ * Removes a comment from the object cache.
+ *
+ * @since 2.3.0
+ *
+ * @param int|array $ids Comment ID or an array of comment IDs to remove from cache.
+ */
+function clean_comment_cache($ids) {
+ foreach ( (array) $ids as $id ) {
+ wp_cache_delete( $id, 'comment' );
+
+ /**
+ * Fires immediately after a comment has been removed from the object cache.
+ *
+ * @since 4.5.0
+ *
+ * @param int $id Comment ID.
+ */
+ do_action( 'clean_comment_cache', $id );
+ }
+
+ wp_cache_set( 'last_changed', microtime(), 'comment' );
}
-function update_comment_cache($comments) {
- foreach ( $comments as $comment )
+/**
+ * Updates the comment cache of given comments.
+ *
+ * Will add the comments in $comments to the cache. If comment ID already exists
+ * in the comment cache then it will not be updated. The comment is added to the
+ * cache using the comment group with the key using the ID of the comments.
+ *
+ * @since 2.3.0
+ * @since 4.4.0 Introduced the `$update_meta_cache` parameter.
+ *
+ * @param array $comments Array of comment row objects
+ * @param bool $update_meta_cache Whether to update commentmeta cache. Default true.
+ */
+function update_comment_cache( $comments, $update_meta_cache = true ) {
+ foreach ( (array) $comments as $comment )
wp_cache_add($comment->comment_ID, $comment, 'comment');
+
+ if ( $update_meta_cache ) {
+ // Avoid `wp_list_pluck()` in case `$comments` is passed by reference.
+ $comment_ids = array();
+ foreach ( $comments as $comment ) {
+ $comment_ids[] = $comment->comment_ID;
+ }
+ update_meta_cache( 'comment', $comment_ids );
+ }
}
-?>
+/**
+ * Adds any comments from the given IDs to the cache that do not already exist in cache.
+ *
+ * @since 4.4.0
+ * @access private
+ *
+ * @see update_comment_cache()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $comment_ids Array of comment IDs.
+ * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true.
+ */
+function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) {
+ global $wpdb;
+
+ $non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' );
+ if ( !empty( $non_cached_ids ) ) {
+ $fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
+
+ update_comment_cache( $fresh_comments, $update_meta_cache );
+ }
+}
+
+//
+// Internal
+//
+
+/**
+ * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param WP_Post $posts Post data object.
+ * @param WP_Query $query Query object.
+ * @return array
+ */
+function _close_comments_for_old_posts( $posts, $query ) {
+ if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) )
+ return $posts;
+
+ /**
+ * Filters 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;
+
+ $days_old = (int) get_option( 'close_comments_days_old' );
+ if ( ! $days_old )
+ return $posts;
+
+ if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) {
+ $posts[0]->comment_status = 'closed';
+ $posts[0]->ping_status = 'closed';
+ }
+
+ return $posts;
+}
+
+/**
+ * Close comments on an old post. Hooked to comments_open and pings_open.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param bool $open Comments open or closed
+ * @param int $post_id Post ID
+ * @return bool $open
+ */
+function _close_comments_for_old_post( $open, $post_id ) {
+ if ( ! $open )
+ return $open;
+
+ if ( !get_option('close_comments_for_old_posts') )
+ return $open;
+
+ $days_old = (int) get_option('close_comments_days_old');
+ if ( !$days_old )
+ return $open;
+
+ $post = get_post($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;
+
+ // Undated drafts should not show up as comments closed.
+ if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) {
+ return $open;
+ }
+
+ if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) )
+ return false;
+
+ return $open;
+}
+
+/**
+ * Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.
+ *
+ * This function expects unslashed data, as opposed to functions such as `wp_new_comment()` which
+ * expect slashed data.
+ *
+ * @since 4.4.0
+ *
+ * @param array $comment_data {
+ * Comment data.
+ *
+ * @type string|int $comment_post_ID The ID of the post that relates to the comment.
+ * @type string $author The name of the comment author.
+ * @type string $email The comment author email address.
+ * @type string $url The comment author URL.
+ * @type string $comment The content of the comment.
+ * @type string|int $comment_parent The ID of this comment's parent, if any. Default 0.
+ * @type string $_wp_unfiltered_html_comment The nonce value for allowing unfiltered HTML.
+ * }
+ * @return WP_Comment|WP_Error A WP_Comment object on success, a WP_Error object on failure.
+ */
+function wp_handle_comment_submission( $comment_data ) {
+
+ $comment_post_ID = $comment_parent = 0;
+ $comment_author = $comment_author_email = $comment_author_url = $comment_content = $_wp_unfiltered_html_comment = null;
+
+ if ( isset( $comment_data['comment_post_ID'] ) ) {
+ $comment_post_ID = (int) $comment_data['comment_post_ID'];
+ }
+ if ( isset( $comment_data['author'] ) && is_string( $comment_data['author'] ) ) {
+ $comment_author = trim( strip_tags( $comment_data['author'] ) );
+ }
+ if ( isset( $comment_data['email'] ) && is_string( $comment_data['email'] ) ) {
+ $comment_author_email = trim( $comment_data['email'] );
+ }
+ if ( isset( $comment_data['url'] ) && is_string( $comment_data['url'] ) ) {
+ $comment_author_url = trim( $comment_data['url'] );
+ }
+ if ( isset( $comment_data['comment'] ) && is_string( $comment_data['comment'] ) ) {
+ $comment_content = trim( $comment_data['comment'] );
+ }
+ if ( isset( $comment_data['comment_parent'] ) ) {
+ $comment_parent = absint( $comment_data['comment_parent'] );
+ }
+ if ( isset( $comment_data['_wp_unfiltered_html_comment'] ) && is_string( $comment_data['_wp_unfiltered_html_comment'] ) ) {
+ $_wp_unfiltered_html_comment = trim( $comment_data['_wp_unfiltered_html_comment'] );
+ }
+
+ $post = get_post( $comment_post_ID );
+
+ if ( empty( $post->comment_status ) ) {
+
+ /**
+ * Fires when a comment is attempted on a post that does not exist.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_post_ID Post ID.
+ */
+ do_action( 'comment_id_not_found', $comment_post_ID );
+
+ return new WP_Error( 'comment_id_not_found' );
+
+ }
+
+ // get_post_status() will get the parent status for attachments.
+ $status = get_post_status( $post );
+
+ if ( ( 'private' == $status ) && ! current_user_can( 'read_post', $comment_post_ID ) ) {
+ return new WP_Error( 'comment_id_not_found' );
+ }
+
+ $status_obj = get_post_status_object( $status );
+
+ if ( ! comments_open( $comment_post_ID ) ) {
+
+ /**
+ * Fires when a comment is attempted on a post that has comments closed.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_post_ID Post ID.
+ */
+ do_action( 'comment_closed', $comment_post_ID );
+
+ return new WP_Error( 'comment_closed', __( 'Sorry, comments are closed for this item.' ), 403 );
+
+ } elseif ( 'trash' == $status ) {
+
+ /**
+ * Fires when a comment is attempted on a trashed post.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_post_ID Post ID.
+ */
+ do_action( 'comment_on_trash', $comment_post_ID );
+
+ return new WP_Error( 'comment_on_trash' );
+
+ } elseif ( ! $status_obj->public && ! $status_obj->private ) {
+
+ /**
+ * Fires when a comment is attempted on a post in draft mode.
+ *
+ * @since 1.5.1
+ *
+ * @param int $comment_post_ID Post ID.
+ */
+ do_action( 'comment_on_draft', $comment_post_ID );
+
+ return new WP_Error( 'comment_on_draft' );
+
+ } elseif ( post_password_required( $comment_post_ID ) ) {
+
+ /**
+ * Fires when a comment is attempted on a password-protected post.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_post_ID Post ID.
+ */
+ do_action( 'comment_on_password_protected', $comment_post_ID );
+
+ return new WP_Error( 'comment_on_password_protected' );
+
+ } else {
+
+ /**
+ * Fires before a comment is posted.
+ *
+ * @since 2.8.0
+ *
+ * @param int $comment_post_ID Post ID.
+ */
+ do_action( 'pre_comment_on_post', $comment_post_ID );
+
+ }
+
+ // If the user is logged in
+ $user = wp_get_current_user();
+ if ( $user->exists() ) {
+ if ( empty( $user->display_name ) ) {
+ $user->display_name=$user->user_login;
+ }
+ $comment_author = $user->display_name;
+ $comment_author_email = $user->user_email;
+ $comment_author_url = $user->user_url;
+ $user_ID = $user->ID;
+ if ( current_user_can( 'unfiltered_html' ) ) {
+ if ( ! isset( $comment_data['_wp_unfiltered_html_comment'] )
+ || ! wp_verify_nonce( $comment_data['_wp_unfiltered_html_comment'], 'unfiltered-html-comment_' . $comment_post_ID )
+ ) {
+ kses_remove_filters(); // start with a clean slate
+ kses_init_filters(); // set up the filters
+ }
+ }
+ } else {
+ if ( get_option( 'comment_registration' ) ) {
+ return new WP_Error( 'not_logged_in', __( 'Sorry, you must be logged in to post a comment.' ), 403 );
+ }
+ }
+
+ $comment_type = '';
+ $max_lengths = wp_get_comment_fields_max_lengths();
+
+ if ( get_option( 'require_name_email' ) && ! $user->exists() ) {
+ if ( 6 > strlen( $comment_author_email ) || '' == $comment_author ) {
+ return new WP_Error( 'require_name_email', __( '<strong>ERROR</strong>: please fill the required fields (name, email).' ), 200 );
+ } elseif ( ! is_email( $comment_author_email ) ) {
+ return new WP_Error( 'require_valid_email', __( '<strong>ERROR</strong>: please enter a valid email address.' ), 200 );
+ }
+ }
+
+ if ( isset( $comment_author ) && $max_lengths['comment_author'] < mb_strlen( $comment_author, '8bit' ) ) {
+ return new WP_Error( 'comment_author_column_length', __( '<strong>ERROR</strong>: your name is too long.' ), 200 );
+ }
+
+ if ( isset( $comment_author_email ) && $max_lengths['comment_author_email'] < strlen( $comment_author_email ) ) {
+ return new WP_Error( 'comment_author_email_column_length', __( '<strong>ERROR</strong>: your email address is too long.' ), 200 );
+ }
+
+ if ( isset( $comment_author_url ) && $max_lengths['comment_author_url'] < strlen( $comment_author_url ) ) {
+ return new WP_Error( 'comment_author_url_column_length', __( '<strong>ERROR</strong>: your url is too long.' ), 200 );
+ }
+
+ if ( '' == $comment_content ) {
+ return new WP_Error( 'require_valid_comment', __( '<strong>ERROR</strong>: please type a comment.' ), 200 );
+ } elseif ( $max_lengths['comment_content'] < mb_strlen( $comment_content, '8bit' ) ) {
+ return new WP_Error( 'comment_content_column_length', __( '<strong>ERROR</strong>: your comment is too long.' ), 200 );
+ }
+
+ $commentdata = compact(
+ 'comment_post_ID',
+ 'comment_author',
+ 'comment_author_email',
+ 'comment_author_url',
+ 'comment_content',
+ 'comment_type',
+ 'comment_parent',
+ 'user_ID'
+ );
+
+ $comment_id = wp_new_comment( wp_slash( $commentdata ) );
+ if ( ! $comment_id ) {
+ return new WP_Error( 'comment_save_error', __( '<strong>ERROR</strong>: The comment could not be saved. Please try again later.' ), 500 );
+ }
+
+ return get_comment( $comment_id );
+
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff