/wp-includes/comment.php
PHP | 2561 lines | 1144 code | 303 blank | 1114 comment | 282 complexity | 9ba3773c7ee6584dbdbc8877ec6de9cc MD5 | raw file
Possible License(s): LGPL-3.0, Apache-2.0
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- <?php
- /**
- * Manages WordPress comments
- *
- * @package WordPress
- * @subpackage Comment
- */
- /**
- * Checks whether a comment passes internal checks to be allowed to add.
- *
- * If comment moderation is set in the administration, then all comments,
- * regardless of their type and whitelist will be set to false. If the number of
- * links exceeds the amount in the administration, then the check fails. If any
- * of the parameter contents match the blacklist of words, then the check fails.
- *
- * If the 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 none of the checks fail, then the failback is to set the check to pass
- * (return true).
- *
- * @since 1.2.0
- * @uses $wpdb
- *
- * @param string $author Comment Author's name
- * @param string $email Comment Author's email
- * @param string $url Comment Author's URL
- * @param string $comment Comment contents
- * @param string $user_ip Comment Author's IP address
- * @param string $user_agent Comment Author's User Agent
- * @param string $comment_type Comment type, either user submitted comment,
- * trackback, or pingback
- * @return bool Whether the checks passed (true) and the comments should be
- * displayed or set to moderated
- */
- function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
- global $wpdb;
- if ( 1 == get_option('comment_moderation') )
- return false; // If moderation is set to manual
- /** This filter is documented in wp-includes/comment-template.php */
- $comment = apply_filters( 'comment_text', $comment );
- // Check # of external links
- if ( $max_links = get_option( 'comment_max_links' ) ) {
- $num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
- /**
- * Filter the maximum number of links allowed in a comment.
- *
- * @since 3.0.0
- *
- * @param int $num_links The number of links allowed.
- * @param string $url Comment author's URL. Included in allowed links total.
- */
- $num_links = apply_filters( 'comment_max_links_url', $num_links, $url );
- if ( $num_links >= $max_links )
- return false;
- }
- $mod_keys = trim(get_option('moderation_keys'));
- if ( !empty($mod_keys) ) {
- $words = explode("\n", $mod_keys );
- foreach ( (array) $words as $word) {
- $word = trim($word);
- // Skip empty lines
- if ( empty($word) )
- continue;
- // Do some escaping magic so that '#' chars in the
- // spam words don't break things:
- $word = preg_quote($word, '#');
- $pattern = "#$word#i";
- if ( preg_match($pattern, $author) ) return false;
- if ( preg_match($pattern, $email) ) return false;
- if ( preg_match($pattern, $url) ) return false;
- if ( preg_match($pattern, $comment) ) return false;
- if ( preg_match($pattern, $user_ip) ) return false;
- if ( preg_match($pattern, $user_agent) ) return false;
- }
- }
- // Comment whitelisting:
- if ( 1 == get_option('comment_whitelist')) {
- 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;
- else
- return false;
- } else {
- return false;
- }
- }
- return true;
- }
- /**
- * Retrieve the approved comments for post $post_id.
- *
- * @since 2.0.0
- * @uses $wpdb
- *
- * @param int $post_id The ID of the post
- * @return array $comments The approved comments
- */
- function get_approved_comments($post_id) {
- global $wpdb;
- return $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post_id));
- }
- /**
- * Retrieves comment data given a comment ID or comment object.
- *
- * 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
- * @uses $wpdb
- *
- * @param object|string|int $comment Comment to retrieve.
- * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
- * @return object|array|null Depends on $output value.
- */
- function get_comment(&$comment, $output = OBJECT) {
- global $wpdb;
- if ( empty($comment) ) {
- if ( isset($GLOBALS['comment']) )
- $_comment = & $GLOBALS['comment'];
- else
- $_comment = null;
- } elseif ( is_object($comment) ) {
- wp_cache_add($comment->comment_ID, $comment, 'comment');
- $_comment = $comment;
- } else {
- if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
- $_comment = & $GLOBALS['comment'];
- } elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
- $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
- if ( ! $_comment )
- return null;
- wp_cache_add($_comment->comment_ID, $_comment, 'comment');
- }
- }
- /**
- * Fires after a comment is retrieved.
- *
- * @since 2.3.0
- *
- * @param mixed $_comment Comment data.
- */
- $_comment = apply_filters( 'get_comment', $_comment );
- if ( $output == OBJECT ) {
- return $_comment;
- } elseif ( $output == ARRAY_A ) {
- $__comment = get_object_vars($_comment);
- return $__comment;
- } elseif ( $output == ARRAY_N ) {
- $__comment = array_values(get_object_vars($_comment));
- return $__comment;
- } else {
- return $_comment;
- }
- }
- /**
- * Retrieve a list of comments.
- *
- * The comment list can be for the blog as a whole or for an individual post.
- *
- * The list of comment arguments are 'status', 'orderby', 'comment_date_gmt',
- * 'order', 'number', 'offset', and 'post_id'.
- *
- * @since 2.7.0
- * @uses $wpdb
- *
- * @param mixed $args Optional. Array or string of options to override defaults.
- * @return array List of comments.
- */
- function get_comments( $args = '' ) {
- $query = new WP_Comment_Query;
- return $query->query( $args );
- }
- /**
- * WordPress Comment Query class.
- *
- * @since 3.1.0
- */
- class WP_Comment_Query {
- /**
- * Metadata query container
- *
- * @since 3.5.0
- * @access public
- * @var object WP_Meta_Query
- */
- public $meta_query = false;
- /**
- * Date query container
- *
- * @since 3.7.0
- * @access public
- * @var object WP_Date_Query
- */
- public $date_query = false;
- /**
- * Make private/protected methods readable for backwards compatibility.
- *
- * @since 4.0.0
- * @access public
- *
- * @param callable $name Method to call.
- * @param array $arguments Arguments to pass when calling.
- * @return mixed|bool Return value of the callback, false otherwise.
- */
- public function __call( $name, $arguments ) {
- return call_user_func_array( array( $this, $name ), $arguments );
- }
- /**
- * Execute the query
- *
- * @since 3.1.0
- *
- * @param string|array $query_vars
- * @return int|array
- */
- public function query( $query_vars ) {
- global $wpdb;
- $defaults = array(
- 'author_email' => '',
- 'fields' => '',
- 'ID' => '',
- 'karma' => '',
- 'number' => '',
- 'offset' => '',
- 'orderby' => '',
- 'order' => 'DESC',
- 'parent' => '',
- 'post_ID' => '',
- 'post_id' => 0,
- 'post_author' => '',
- 'post_name' => '',
- 'post_parent' => '',
- 'post_status' => '',
- 'post_type' => '',
- 'status' => '',
- 'type' => '',
- 'user_id' => '',
- 'search' => '',
- 'count' => false,
- 'meta_key' => '',
- 'meta_value' => '',
- 'meta_query' => '',
- 'date_query' => null, // See WP_Date_Query
- );
- $groupby = '';
- $this->query_vars = wp_parse_args( $query_vars, $defaults );
- // Parse meta query
- $this->meta_query = new WP_Meta_Query();
- $this->meta_query->parse_query_vars( $this->query_vars );
- /**
- * Fires before comments are retrieved.
- *
- * @since 3.1.0
- *
- * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
- */
- do_action_ref_array( 'pre_get_comments', array( &$this ) );
- // $args can be whatever, only use the args defined in defaults to compute the key
- $key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $defaults ) ) ) );
- $last_changed = wp_cache_get( 'last_changed', 'comment' );
- if ( ! $last_changed ) {
- $last_changed = microtime();
- wp_cache_set( 'last_changed', $last_changed, 'comment' );
- }
- $cache_key = "get_comments:$key:$last_changed";
- if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {
- return $cache;
- }
- $status = $this->query_vars['status'];
- if ( 'hold' == $status ) {
- $approved = "comment_approved = '0'";
- } elseif ( 'approve' == $status ) {
- $approved = "comment_approved = '1'";
- } elseif ( ! empty( $status ) && 'all' != $status ) {
- $approved = $wpdb->prepare( "comment_approved = %s", $status );
- } else {
- $approved = "( comment_approved = '0' OR comment_approved = '1' )";
- }
- $order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC';
- if ( ! empty( $this->query_vars['orderby'] ) ) {
- $ordersby = is_array( $this->query_vars['orderby'] ) ?
- $this->query_vars['orderby'] :
- preg_split( '/[,\s]/', $this->query_vars['orderby'] );
- $allowed_keys = array(
- 'comment_agent',
- 'comment_approved',
- 'comment_author',
- 'comment_author_email',
- 'comment_author_IP',
- 'comment_author_url',
- 'comment_content',
- 'comment_date',
- 'comment_date_gmt',
- 'comment_ID',
- 'comment_karma',
- 'comment_parent',
- 'comment_post_ID',
- 'comment_type',
- 'user_id',
- );
- if ( ! empty( $this->query_vars['meta_key'] ) ) {
- $allowed_keys[] = $this->query_vars['meta_key'];
- $allowed_keys[] = 'meta_value';
- $allowed_keys[] = 'meta_value_num';
- }
- $ordersby = array_intersect( $ordersby, $allowed_keys );
- foreach ( $ordersby as $key => $value ) {
- if ( $value == $this->query_vars['meta_key'] || $value == 'meta_value' ) {
- $ordersby[ $key ] = "$wpdb->commentmeta.meta_value";
- } elseif ( $value == 'meta_value_num' ) {
- $ordersby[ $key ] = "$wpdb->commentmeta.meta_value+0";
- }
- }
- $orderby = empty( $ordersby ) ? 'comment_date_gmt' : implode(', ', $ordersby);
- } else {
- $orderby = 'comment_date_gmt';
- }
- $number = absint( $this->query_vars['number'] );
- $offset = absint( $this->query_vars['offset'] );
- if ( ! empty( $number ) ) {
- if ( $offset ) {
- $limits = 'LIMIT ' . $offset . ',' . $number;
- } else {
- $limits = 'LIMIT ' . $number;
- }
- } else {
- $limits = '';
- }
- if ( $this->query_vars['count'] ) {
- $fields = 'COUNT(*)';
- } else {
- switch ( strtolower( $this->query_vars['fields'] ) ) {
- case 'ids':
- $fields = "$wpdb->comments.comment_ID";
- break;
- default:
- $fields = "*";
- break;
- }
- }
- $join = '';
- $where = $approved;
- $post_id = absint( $this->query_vars['post_id'] );
- if ( ! empty( $post_id ) ) {
- $where .= $wpdb->prepare( ' AND comment_post_ID = %d', $post_id );
- }
- if ( '' !== $this->query_vars['author_email'] ) {
- $where .= $wpdb->prepare( ' AND comment_author_email = %s', $this->query_vars['author_email'] );
- }
- if ( '' !== $this->query_vars['karma'] ) {
- $where .= $wpdb->prepare( ' AND comment_karma = %d', $this->query_vars['karma'] );
- }
- if ( 'comment' == $this->query_vars['type'] ) {
- $where .= " AND comment_type = ''";
- } elseif( 'pings' == $this->query_vars['type'] ) {
- $where .= ' AND comment_type IN ("pingback", "trackback")';
- } elseif ( ! empty( $this->query_vars['type'] ) ) {
- $where .= $wpdb->prepare( ' AND comment_type = %s', $this->query_vars['type'] );
- }
- if ( '' !== $this->query_vars['parent'] ) {
- $where .= $wpdb->prepare( ' AND comment_parent = %d', $this->query_vars['parent'] );
- }
- if ( is_array( $this->query_vars['user_id'] ) ) {
- $where .= ' AND user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')';
- } elseif ( '' !== $this->query_vars['user_id'] ) {
- $where .= $wpdb->prepare( ' AND user_id = %d', $this->query_vars['user_id'] );
- }
- if ( '' !== $this->query_vars['search'] ) {
- $where .= $this->get_search_sql(
- $this->query_vars['search'],
- array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' )
- );
- }
- $plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent', 'post_status', 'post_type' ) );
- $post_fields = array_filter( $plucked );
- if ( ! empty( $post_fields ) ) {
- $join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
- foreach( $post_fields as $field_name => $field_value )
- $where .= $wpdb->prepare( " AND {$wpdb->posts}.{$field_name} = %s", $field_value );
- }
- if ( ! empty( $this->meta_query->queries ) ) {
- $clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
- $join .= $clauses['join'];
- $where .= $clauses['where'];
- $groupby = "{$wpdb->comments}.comment_ID";
- }
- $date_query = $this->query_vars['date_query'];
- if ( ! empty( $date_query ) && is_array( $date_query ) ) {
- $date_query_object = new WP_Date_Query( $date_query, 'comment_date' );
- $where .= $date_query_object->get_sql();
- }
- $pieces = array( 'fields', 'join', 'where', 'orderby', 'order', 'limits', 'groupby' );
- /**
- * Filter the comment query clauses.
- *
- * @since 3.1.0
- *
- * @param array $pieces A compacted array of comment query clauses.
- * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
- */
- $clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
- $fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
- $join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
- $where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
- $orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
- $order = isset( $clauses[ 'order' ] ) ? $clauses[ 'order' ] : '';
- $limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
- $groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
- if ( $groupby ) {
- $groupby = 'GROUP BY ' . $groupby;
- }
- $query = "SELECT $fields FROM $wpdb->comments $join WHERE $where $groupby ORDER BY $orderby $order $limits";
- if ( $this->query_vars['count'] ) {
- return $wpdb->get_var( $query );
- }
- if ( 'ids' == $this->query_vars['fields'] ) {
- $this->comments = $wpdb->get_col( $query );
- return array_map( 'intval', $this->comments );
- }
- $results = $wpdb->get_results( $query );
- /**
- * Filter the comment query results.
- *
- * @since 3.1.0
- *
- * @param array $results An array of comments.
- * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
- */
- $comments = apply_filters_ref_array( 'the_comments', array( $results, &$this ) );
- wp_cache_add( $cache_key, $comments, 'comment' );
- return $comments;
- }
- /**
- * Used internally to generate an SQL string for searching across multiple columns
- *
- * @access protected
- * @since 3.1.0
- *
- * @param string $string
- * @param array $cols
- * @return string
- */
- protected function get_search_sql( $string, $cols ) {
- global $wpdb;
- $like = '%' . $wpdb->esc_like( $string ) . '%';
- $searches = array();
- foreach ( $cols as $col ) {
- $searches[] = $wpdb->prepare( "$col LIKE %s", $like );
- }
- return ' AND (' . implode(' OR ', $searches) . ')';
- }
- }
- /**
- * 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'),
- /* translators: comment status */
- 'approve' => _x('Approved', 'adjective'),
- /* translators: comment status */
- 'spam' => _x('Spam', 'adjective'),
- );
- return $status;
- }
- /**
- * The date the last comment was modified.
- *
- * @since 1.5.0
- * @uses $wpdb
- *
- * @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 $wpdb;
- static $cache_lastcommentmodified = array();
- if ( isset($cache_lastcommentmodified[$timezone]) )
- return $cache_lastcommentmodified[$timezone];
- $add_seconds_server = date('Z');
- switch ( strtolower($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 {@link wp_count_comments()}, in that they both return comment
- * stats (albeit with different types). The {@link wp_count_comments()} actual
- * caches, but this function does not.
- *
- * @since 2.0.0
- * @uses $wpdb
- *
- * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.
- * @return array The amount of spam, approved, awaiting moderation, and total 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,
- "total_comments" => 0
- );
- foreach ( $totals as $row ) {
- switch ( $row['comment_approved'] ) {
- case 'spam':
- $comment_count['spam'] = $row['total'];
- $comment_count["total_comments"] += $row['total'];
- break;
- case 1:
- $comment_count['approved'] = $row['total'];
- $comment_count['total_comments'] += $row['total'];
- break;
- case 0:
- $comment_count['awaiting_moderation'] = $row['total'];
- $comment_count['total_comments'] += $row['total'];
- break;
- default:
- break;
- }
- }
- return $comment_count;
- }
- //
- // Comment meta functions
- //
- /**
- * Add meta data field to a comment.
- *
- * @since 2.9.0
- * @uses add_metadata
- * @link http://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
- * @uses delete_metadata
- * @link http://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
- * @uses get_metadata
- * @link http://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
- * @uses update_metadata
- * @link http://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);
- }
- /**
- * 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 object $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;
- /**
- * Filter the lifetime of the comment cookie in seconds.
- *
- * @since 2.8.0
- *
- * @param int $seconds Comment cookie lifetime. Default 30000000.
- */
- $comment_cookie_lifetime = apply_filters( 'comment_cookie_lifetime', 30000000 );
- $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] ) ) {
- /**
- * Filter the comment author's name cookie before it is set.
- *
- * When this filter hook is evaluated in wp_filter_comment(),
- * the comment author's name string is passed.
- *
- * @since 1.5.0
- *
- * @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] ) ) {
- /**
- * Filter the comment author's email cookie before it is set.
- *
- * When this filter hook is evaluated in wp_filter_comment(),
- * the comment author's email string is passed.
- *
- * @since 1.5.0
- *
- * @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] ) ) {
- /**
- * Filter the comment author's URL cookie before it is set.
- *
- * When this filter hook is evaluated in wp_filter_comment(),
- * the comment author's URL string is passed.
- *
- * @since 1.5.0
- *
- * @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;
- }
- }
- /**
- * Validates whether this comment is allowed to be made.
- *
- * @since 2.0.0
- * @uses $wpdb
- *
- * @param array $commentdata Contains information on the comment
- * @return mixed Signifies the approval status (0|1|'spam')
- */
- function wp_allow_comment( $commentdata ) {
- global $wpdb;
- // Simple duplicate check
- // expected_slashed ($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(
- "OR comment_author_email = %s ",
- wp_unslash( $commentdata['comment_author_email'] )
- );
- }
- $dupe .= $wpdb->prepare(
- ") AND comment_content = %s LIMIT 1",
- wp_unslash( $commentdata['comment_content'] )
- );
- if ( $wpdb->get_var( $dupe ) ) {
- /**
- * Fires immediately after a duplicate comment is detected.
- *
- * @since 3.0.0
- *
- * @param array $commentdata Comment data.
- */
- do_action( 'comment_duplicate_trigger', $commentdata );
- if ( defined( 'DOING_AJAX' ) ) {
- die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
- }
- wp_die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
- }
- /**
- * Fires immediately before a comment is marked approved.
- *
- * Allows checking for comment flooding.
- *
- * @since 2.3.0
- *
- * @param string $comment_author_IP Comment author's IP address.
- * @param string $comment_author_email Comment author's email.
- * @param string $comment_date_gmt GMT date the comment was posted.
- */
- do_action(
- 'check_comment_flood',
- $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 ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
- // The author and the admins get respect.
- $approved = 1;
- } else {
- // Everyone else's comments will be checked.
- 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 {
- $approved = 0;
- }
- 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 = 'spam';
- }
- }
- /**
- * Filter a comment's approval status before it is set.
- *
- * @since 2.1.0
- *
- * @param bool|string $approved The approval status. Accepts 1, 0, or 'spam'.
- * @param array $commentdata Comment data.
- */
- $approved = apply_filters( 'pre_comment_approved', $approved, $commentdata );
- return $approved;
- }
- /**
- * Check whether comment flooding is occurring.
- *
- * Won't run, if current user can manage options, so to not block
- * administrators.
- *
- * @since 2.3.0
- * @uses $wpdb
- *
- * @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 ( current_user_can( 'manage_options' ) )
- return; // don't throttle admins
- $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
- if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
- $time_lastcomment = mysql2date('U', $lasttime, false);
- $time_newcomment = mysql2date('U', $date, false);
- /**
- * Filter the comment flood status.
- *
- * @since 2.1.0
- *
- * @param bool $bool Whether a comment flood is occurring. Default false.
- * @param int $time_lastcomment Timestamp of when the last comment was posted.
- * @param int $time_newcomment Timestamp of when the new comment was posted.
- */
- $flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
- if ( $flood_die ) {
- /**
- * 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.'), '', array('response' => 403) );
- }
- }
- }
- /**
- * 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
- *
- * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments
- * @param int $per_page Optional comments per page.
- * @param boolean $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
- * @uses get_comment() Gets the full comment of the $comment_ID parameter.
- * @uses get_option() Get various settings to control function and defaults.
- * @uses get_page_of_comment() Used to loop up to top level comment.
- *
- * @param int $comment_ID Comment ID.
- * @param array $args Optional args.
- * @return int|null Comment page number or null on error.
- */
- function get_page_of_comment( $comment_ID, $args = array() ) {
- global $wpdb;
- if ( !$comment = get_comment( $comment_ID ) )
- return;
- $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
- $args = wp_parse_args( $args, $defaults );
- if ( '' === $args['per_page'] && get_option('page_comments') )
- $args['per_page'] = get_query_var('comments_per_page');
- if ( empty($args['per_page']) ) {
- $args['per_page'] = 0;
- $args['page'] = 0;
- }
- if ( $args['per_page'] < 1 )
- return 1;
- 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 );
- $allowedtypes = array(
- 'comment' => '',
- 'pingback' => 'pingback',
- 'trackback' => 'trackback',
- );
- $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : '';
- // Count comments older than this one
- $oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_approved = '1' AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) );
- // No older comments? Then it's page #1.
- if ( 0 == $oldercoms )
- return 1;
- // Divide comments older than this one by comments per page to get this comment's page number
- return ceil( ( $oldercoms + 1 ) / $args['per_page'] );
- }
- /**
- * 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
- $words = explode("\n", $mod_keys );
- foreach ( (array) $words as $word ) {
- $word = trim($word);
- // Skip empty lines
- if ( empty($word) ) { continue; }
- // Do some escaping magic so that '#' chars in the
- // spam words don't break things:
- $word = preg_quote($word, '#');
- $pattern = "#$word#i";
- if (
- preg_match($pattern, $author)
- || preg_match($pattern, $email)
- || preg_match($pattern, $url)
- || preg_match($pattern, $comment)
- || preg_match($pattern, $user_ip)
- || preg_match($pattern, $user_agent)
- )
- return true;
- }
- 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 Comment stats.
- */
- function wp_count_comments( $post_id = 0 ) {
- global $wpdb;
- $post_id = (int) $post_id;
- /**
- * Filter the comments count for a given post.
- *
- * @since 2.7.0
- *
- * @param array $count An empty array.
- * @param int $post_id The post ID.
- */
- $stats = apply_filters( 'wp_count_comments', array(), $post_id );
- if ( !empty($stats) )
- return $stats;
- $count = wp_cache_get("comments-{$post_id}", 'counts');
- if ( false !== $count )
- return $count;
- $where = '';
- if ( $post_id > 0 )
- $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );
- $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );
- $total = 0;
- $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam', 'trash' => 'trash', 'post-trashed' => 'post-trashed');
- foreach ( (array) $count as $row ) {
- // Don't count post-trashed toward totals
- if ( 'post-trashed' != $row['comment_approved'] && 'trash' != $row['comment_approved'] )
- $total += $row['num_comments'];
- if ( isset( $approved[$row['comment_approved']] ) )
- $stats[$approved[$row['comment_approved']]] = $row['num_comments'];
- }
- $stats['total_comments'] = $total;
- foreach ( $approved as $key ) {
- if ( empty($stats[$key]) )
- $stats[$key] = 0;
- }
- $stats = (object) $stats;
- wp_cache_set("comments-{$post_id}", $stats, 'counts');
- return $stats;
- }
- /**
- * 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
- * @uses $wpdb
- * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
- *
- * @param int $comment_id Comment ID
- * @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 $wpdb;
- if (!$comment = get_comment($comment_id))
- return false;
- if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status($comment_id), array( 'trash', 'spam' ) ) )
- return wp_trash_comment($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_id );
- // Move children up a level.
- $children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) );
- if ( !empty($children) ) {
- $wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment_id));
- clean_comment_cache($children);
- }
- // Delete metadata
- $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment_id ) );
- foreach ( $meta_ids as $mid )
- delete_metadata_by_mid( 'comment', $mid );
- if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $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_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);
- /** This action is documented in wp-includes/comment.php */
- 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
- *
- * @uses wp_delete_comment() if trash is disabled
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
- function wp_trash_comment($comment_id) {
- if ( !EMPTY_TRASH_DAYS )
- return wp_delete_comment($comment_id, true);
- if ( !$comment = get_comment($comment_id) )
- return false;
- /**
- * Fires immediately before a comment is sent to the Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'trash_comment', $comment_id );
- if ( wp_set_comment_status($comment_id, 'trash') ) {
- add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved);
- add_comment_meta($comment_id, '_wp_trash_meta_time', time() );
- /**
- * Fires immediately after a comment is sent to Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'trashed_comment', $comment_id );
- return true;
- }
- return false;
- }
- /**
- * Removes a comment from the Trash
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
- function wp_untrash_comment($comment_id) {
- if ( ! (int)$comment_id )
- 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_id );
- $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
- if ( empty($status) )
- $status = '0';
- if ( wp_set_comment_status($comment_id, $status) ) {
- delete_comment_meta($comment_id, '_wp_trash_meta_time');
- delete_comment_meta($comment_id, '_wp_trash_meta_status');
- /**
- * Fires immediately after a comment is restored from the Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'untrashed_comment', $comment_id );
- return true;
- }
- return false;
- }
- /**
- * Marks a comment as Spam
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
- function wp_spam_comment($comment_id) {
- if ( !$comment = get_comment($comment_id) )
- 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', $comment_id );
- if ( wp_set_comment_status($comment_id, 'spam') ) {
- add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved);
- /**
- * Fires immediately after a comment is marked as Spam.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'spammed_comment', $comment_id );
- return true;
- }
- return false;
- }
- /**
- * Removes a comment from the Spam
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
- function wp_unspam_comment($comment_id) {
- if ( ! (int)$comment_id )
- 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_id );
- $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
- if ( empty($status) )
- $status = '0';
- if ( wp_set_comment_status($comment_id, $status) ) {
- delete_comment_meta($comment_id, '_wp_trash_meta_status');
- /**
- * Fires immediately after a comment is unmarked as Spam.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'unspammed_comment', $comment_id );
- return true;
- }
- return false;
- }
- /**
- * The status of a comment by ID.
- *
- * @since 1.0.0
- *
- * @param int $comment_id Comment ID
- * @return string|bool Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
- */
- function wp_get_comment_status($comment_id) {
- $comment = get_comment($comment_id);
- if ( !$comment )
- return false;
- $approved = $comment->comment_approved;
- if ( $approved == null )
- return 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
- * 'transition_comment_status' with new status, old status, and comment data. The
- * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the
- * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the
- * comment data.
- *
- * The final action will run whether or not the comment statuses are the same. The
- * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status
- * parameter and COMMENTTYPE is comment_type comment data.
- *
- * @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 object $comment Comment object.
- */
- do_action( "comment_{$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 obj $comment Comment object.
- */
- do_action( "comment_{$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.
- $comment_author = '';
- if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
- $comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
- $comment_author_email = '';
- if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
- $comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
- $comment_author_url = '';
- if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
- $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
- /**
- * Filter the current commenter's name, email, and URL.
- *
- * @since 3.1.0
- *
- * @param string $comment_author Comment author's name.
- * @param string $comment_author_email Comment author's email.
- * @param string $comment_author_url Comment author's URL.
- */
- return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
- }
- /**
- * Inserts a comment to the database.
- *
- * The available comment data key names are 'comment_author_IP', 'comment_date',
- * 'comment_date_gmt', 'comment_parent', 'comment_approved', and 'user_id'.
- *
- * @since 2.0.0
- * @uses $wpdb
- *
- * @param array $commentdata Contains information on the comment.
- * @return int|bool The new comment's ID on success, false on failure.
- */
- function wp_insert_comment( $commentdata ) {
- global $wpdb;
- $data = wp_unslash( $commentdata );
- $comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
- $comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_au…
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