X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/53f4633144ed68c8b8fb5861f992b5489894a940..refs/tags/wordpress-4.7.1:/wp-includes/comment.php diff --git a/wp-includes/comment.php b/wp-includes/comment.php index 88b7fbb6..ba60070f 100644 --- a/wp-includes/comment.php +++ b/wp-includes/comment.php @@ -1,6 +1,6 @@ ]*href/i', $comment, $out ); /** - * Filter the maximum number of links allowed in a comment. + * Filters the number of links found in a comment. * * @since 3.0.0 + * @since 4.7.0 Added the `$comment` parameter. * - * @param int $num_links The number of links allowed. + * @param int $num_links The number of links found. * @param string $url Comment author's URL. Included in allowed links total. + * @param string $comment Content of the comment. */ - $num_links = apply_filters( 'comment_max_links_url', $num_links, $url ); + $num_links = apply_filters( 'comment_max_links_url', $num_links, $url, $comment ); /* * If the number of links in the comment exceeds the allowed amount, @@ -110,8 +112,13 @@ function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $ */ 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"); + $comment_user = get_user_by( 'email', wp_unslash( $email ) ); + if ( ! empty( $comment_user->ID ) ) { + $ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE user_id = %d AND comment_approved = '1' LIMIT 1", $comment_user->ID ) ); + } else { + // expected_slashed ($author, $email) + $ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE comment_author = %s AND comment_author_email = %s and comment_approved = '1' LIMIT 1", $author, $email ) ); + } if ( ( 1 == $ok_to_comment ) && ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) ) return true; @@ -128,11 +135,10 @@ function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $ * Retrieve the approved comments for post $post_id. * * @since 2.0.0 - * @since 4.1.0 Refactored to leverage {@see WP_Comment_Query} over a direct query. + * @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 {@see WP_Comment_Query::query()} for information - * on accepted arguments. + * @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. */ @@ -161,33 +167,28 @@ function get_approved_comments( $post_id, $args = array() ) { * * @since 2.0.0 * - * @global wpdb $wpdb WordPress database abstraction object. - * @global object $comment + * @global WP_Comment $comment * - * @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. + * @param WP_Comment|string|int $comment Comment to retrieve. + * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to + * a WP_Comment object, an associative array, or a numeric array, respectively. Default OBJECT. + * @return WP_Comment|array|null Depends on $output value. */ -function get_comment(&$comment, $output = OBJECT) { - global $wpdb; +function get_comment( &$comment = null, $output = OBJECT ) { + if ( empty( $comment ) && isset( $GLOBALS['comment'] ) ) { + $comment = $GLOBALS['comment']; + } - if ( empty($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( $comment ); } else { - if ( isset($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'); - } + $_comment = WP_Comment::get_instance( $comment ); + } + + if ( ! $_comment ) { + return null; } /** @@ -202,14 +203,11 @@ function get_comment(&$comment, $output = OBJECT) { if ( $output == OBJECT ) { return $_comment; } elseif ( $output == ARRAY_A ) { - $__comment = get_object_vars($_comment); - return $__comment; + return $_comment->to_array(); } elseif ( $output == ARRAY_N ) { - $__comment = array_values(get_object_vars($_comment)); - return $__comment; - } else { - return $_comment; + return array_values( $_comment->to_array() ); } + return $_comment; } /** @@ -219,7 +217,7 @@ function get_comment(&$comment, $output = OBJECT) { * * @since 2.7.0 * - * @param string|array $args Optional. Array or string of arguments. See {@see WP_Comment_Query::parse_query()} + * @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. */ @@ -228,789 +226,6 @@ function get_comments( $args = '' ) { return $query->query( $args ); } -/** - * WordPress Comment Query class. - * - * See WP_Comment_Query::__construct() for accepted arguments. - * - * @since 3.1.0 - */ -class WP_Comment_Query { - /** - * SQL for database query. - * - * @since 4.0.1 - * @access public - * @var string - */ - public $request; - - /** - * 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; - - /** - * Query vars set by the user. - * - * @since 3.1.0 - * @access public - * @var array - */ - public $query_vars; - - /** - * Default values for query vars. - * - * @since 4.2.0 - * @access public - * @var array - */ - public $query_var_defaults; - - /** - * List of comments located by the query. - * - * @since 4.0.0 - * @access public - * @var array - */ - public $comments; - - /** - * 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|false Return value of the callback, false otherwise. - */ - public function __call( $name, $arguments ) { - if ( 'get_search_sql' === $name ) { - return call_user_func_array( array( $this, $name ), $arguments ); - } - return false; - } - - /** - * Constructor. - * - * Sets up the comment query, based on the query vars passed. - * - * @since 4.2.0 - * @access public - * - * @param string|array $query { - * Optional. Array or query string of comment query parameters. Default empty. - * - * @type string $author_email Comment author email address. Default empty. - * @type array $author__in Array of author IDs to include comments for. Default empty. - * @type array $author__not_in Array of author IDs to exclude comments for. Default empty. - * @type array $comment__in Array of comment IDs to include. Default empty. - * @type array $comment__not_in Array of comment IDs to exclude. Default empty. - * @type bool $count Whether to return a comment count (true) or array of comment - * objects (false). Default false. - * @type array $date_query Date query clauses to limit comments by. See WP_Date_Query. - * Default null. - * @type string $fields Comment fields to return. Accepts 'ids' for comment IDs only or - * empty for all fields. Default empty. - * @type int $ID Currently unused. - * @type array $include_unapproved Array of IDs or email addresses of users whose unapproved comments - * will be returned by the query regardless of `$status`. Default empty. - * @type int $karma Karma score to retrieve matching comments for. Default empty. - * @type string $meta_key Include comments with a matching comment meta key. Default empty. - * @type string $meta_value Include comments with a matching comment meta value. Requires - * `$meta_key` to be set. Default empty. - * @type array $meta_query Meta query clauses to limit retrieved comments by. - * See WP_Meta_Query. Default empty. - * @type int $number Maximum number of comments to retrieve. Default null (no limit). - * @type int $offset Number of comments to offset the query. Used to build LIMIT clause. - * Default 0. - * @type string|array $orderby Comment status or array of statuses. To use 'meta_value' or - * 'meta_value_num', `$meta_key` must also be defined. To sort by - * a specific `$meta_query` clause, use that clause's array key. - * Accepts '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', - * 'meta_value', 'meta_value_num', the value of $meta_key, and the - * array keys of `$meta_query`. Also accepts false, an empty array, - * or 'none' to disable `ORDER BY` clause. - * Default: 'comment_date_gmt'. - * @type string $order How to order retrieved comments. Accepts 'ASC', 'DESC'. - * Default: 'DESC'. - * @type int $parent Parent ID of comment to retrieve children of. Default empty. - * @type array $post_author__in Array of author IDs to retrieve comments for. Default empty. - * @type array $post_author__not_in Array of author IDs *not* to retrieve comments for. Default empty. - * @type int $post_ID Currently unused. - * @type int $post_id Limit results to those affiliated with a given post ID. Default 0. - * @type array $post__in Array of post IDs to include affiliated comments for. Default empty. - * @type array $post__not_in Array of post IDs to exclude affiliated comments for. Default empty. - * @type int $post_author Comment author ID to limit results by. Default empty. - * @type string $post_status Post status to retrieve affiliated comments for. Default empty. - * @type string $post_type Post type to retrieve affiliated comments for. Default empty. - * @type string $post_name Post name to retrieve affiliated comments for. Default empty. - * @type int $post_parent Post parent ID to retrieve affiliated comments for. Default empty. - * @type string $search Search term(s) to retrieve matching comments for. Default empty. - * @type string $status Comment status to limit results by. Accepts 'hold' - * (`comment_status=0`), 'approve' (`comment_status=1`), 'all', or a - * custom comment status. Default 'all'. - * @type string|array $type Include comments of a given type, or array of types. Accepts - * 'comment', 'pings' (includes 'pingback' and 'trackback'), or any - * custom type string. Default empty. - * @type array $type__in Include comments from a given array of comment types. Default empty. - * @type array $type__not_in Exclude comments from a given array of comment types. Default empty. - * @type int $user_id Include comments for a specific user ID. Default empty. - * } - */ - public function __construct( $query = '' ) { - $this->query_var_defaults = array( - 'author_email' => '', - 'author__in' => '', - 'author__not_in' => '', - 'include_unapproved' => '', - 'fields' => '', - 'ID' => '', - 'comment__in' => '', - 'comment__not_in' => '', - 'karma' => '', - 'number' => '', - 'offset' => '', - 'orderby' => '', - 'order' => 'DESC', - 'parent' => '', - 'post_author__in' => '', - 'post_author__not_in' => '', - 'post_ID' => '', - 'post_id' => 0, - 'post__in' => '', - 'post__not_in' => '', - 'post_author' => '', - 'post_name' => '', - 'post_parent' => '', - 'post_status' => '', - 'post_type' => '', - 'status' => 'all', - 'type' => '', - 'type__in' => '', - 'type__not_in' => '', - 'user_id' => '', - 'search' => '', - 'count' => false, - 'meta_key' => '', - 'meta_value' => '', - 'meta_query' => '', - 'date_query' => null, // See WP_Date_Query - ); - - if ( ! empty( $query ) ) { - $this->query( $query ); - } - } - - /** - * Parse arguments passed to the comment query with default query parameters. - * - * @since 4.2.0 Extracted from WP_Comment_Query::query(). - * - * @access public - * - * @param string|array $query WP_Comment_Query arguments. See WP_Comment_Query::__construct() - */ - public function parse_query( $query = '' ) { - if ( empty( $query ) ) { - $query = $this->query_vars; - } - - $this->query_vars = wp_parse_args( $query, $this->query_var_defaults ); - do_action_ref_array( 'parse_comment_query', array( &$this ) ); - } - - /** - * Sets up the WordPress query for retrieving comments. - * - * @since 3.1.0 - * @since 4.1.0 Introduced 'comment__in', 'comment__not_in', 'post_author__in', - * 'post_author__not_in', 'author__in', 'author__not_in', 'post__in', - * 'post__not_in', 'include_unapproved', 'type__in', and 'type__not_in' - * arguments to $query_vars. - * @since 4.2.0 Moved parsing to WP_Comment_Query::parse_query(). - * @access public - * - * @param string|array $query Array or URL query string of parameters. - * @return array|int List of comments, or number of comments when 'count' is passed as a query var. - */ - public function query( $query ) { - $this->query_vars = wp_parse_args( $query ); - return $this->get_comments(); - } - - /** - * Get a list of comments matching the query vars. - * - * @since 4.2.0 - * @access public - * - * @global wpdb $wpdb WordPress database abstraction object. - * - * @return int|array The list of comments. - */ - public function get_comments() { - global $wpdb; - - $groupby = ''; - - $this->parse_query(); - - // 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 ) ); - - // Reparse query vars, in case they were modified in a 'pre_get_comments' callback. - $this->meta_query->parse_query_vars( $this->query_vars ); - if ( ! empty( $this->meta_query->queries ) ) { - $meta_query_clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this ); - } - - // $args can include anything. Only use the args defined in the query_var_defaults to compute the key. - $key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_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' ) ) { - $this->comments = $cache; - return $this->comments; - } - - $where = array(); - - // Assemble clauses related to 'comment_approved'. - $approved_clauses = array(); - - // 'status' accepts an array or a comma-separated string. - $status_clauses = array(); - $statuses = $this->query_vars['status']; - if ( ! is_array( $statuses ) ) { - $statuses = preg_split( '/[\s,]+/', $statuses ); - } - - // 'any' overrides other statuses. - if ( ! in_array( 'any', $statuses ) ) { - foreach ( $statuses as $status ) { - switch ( $status ) { - case 'hold' : - $status_clauses[] = "comment_approved = '0'"; - break; - - case 'approve' : - $status_clauses[] = "comment_approved = '1'"; - break; - - case 'all' : - case '' : - $status_clauses[] = "( comment_approved = '0' OR comment_approved = '1' )"; - break; - - default : - $status_clauses[] = $wpdb->prepare( "comment_approved = %s", $status ); - break; - } - } - - if ( ! empty( $status_clauses ) ) { - $approved_clauses[] = '( ' . implode( ' OR ', $status_clauses ) . ' )'; - } - } - - // User IDs or emails whose unapproved comments are included, regardless of $status. - if ( ! empty( $this->query_vars['include_unapproved'] ) ) { - $include_unapproved = $this->query_vars['include_unapproved']; - - // Accepts arrays or comma-separated strings. - if ( ! is_array( $include_unapproved ) ) { - $include_unapproved = preg_split( '/[\s,]+/', $include_unapproved ); - } - - $unapproved_ids = $unapproved_emails = array(); - foreach ( $include_unapproved as $unapproved_identifier ) { - // Numeric values are assumed to be user ids. - if ( is_numeric( $unapproved_identifier ) ) { - $approved_clauses[] = $wpdb->prepare( "( user_id = %d AND comment_approved = '0' )", $unapproved_identifier ); - - // Otherwise we match against email addresses. - } else { - $approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' )", $unapproved_identifier ); - } - } - } - - // Collapse comment_approved clauses into a single OR-separated clause. - if ( ! empty( $approved_clauses ) ) { - if ( 1 === count( $approved_clauses ) ) { - $where[] = $approved_clauses[0]; - } else { - $where[] = '( ' . implode( ' OR ', $approved_clauses ) . ' )'; - } - } - - $order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC'; - - // Disable ORDER BY with 'none', an empty array, or boolean false. - if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) { - $orderby = ''; - } elseif ( ! empty( $this->query_vars['orderby'] ) ) { - $ordersby = is_array( $this->query_vars['orderby'] ) ? - $this->query_vars['orderby'] : - preg_split( '/[,\s]/', $this->query_vars['orderby'] ); - - $orderby_array = array(); - $found_orderby_comment_ID = false; - foreach ( $ordersby as $_key => $_value ) { - if ( ! $_value ) { - continue; - } - - if ( is_int( $_key ) ) { - $_orderby = $_value; - $_order = $order; - } else { - $_orderby = $_key; - $_order = $_value; - } - - if ( ! $found_orderby_comment_ID && 'comment_ID' === $_orderby ) { - $found_orderby_comment_ID = true; - } - - $parsed = $this->parse_orderby( $_orderby ); - - if ( ! $parsed ) { - continue; - } - - $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order ); - } - - // If no valid clauses were found, order by comment_date_gmt. - if ( empty( $orderby_array ) ) { - $orderby_array[] = "$wpdb->comments.comment_date_gmt $order"; - } - - // To ensure determinate sorting, always include a comment_ID clause. - if ( ! $found_orderby_comment_ID ) { - $comment_ID_order = ''; - - // Inherit order from comment_date or comment_date_gmt, if available. - foreach ( $orderby_array as $orderby_clause ) { - if ( preg_match( '/comment_date(?:_gmt)*\ (ASC|DESC)/', $orderby_clause, $match ) ) { - $comment_ID_order = $match[1]; - break; - } - } - - // If no date-related order is available, use the date from the first available clause. - if ( ! $comment_ID_order ) { - foreach ( $orderby_array as $orderby_clause ) { - if ( false !== strpos( 'ASC', $orderby_clause ) ) { - $comment_ID_order = 'ASC'; - } else { - $comment_ID_order = 'DESC'; - } - - break; - } - } - - // Default to DESC. - if ( ! $comment_ID_order ) { - $comment_ID_order = 'DESC'; - } - - $orderby_array[] = "$wpdb->comments.comment_ID $comment_ID_order"; - } - - $orderby = implode( ', ', $orderby_array ); - } else { - $orderby = "$wpdb->comments.comment_date_gmt $order"; - } - - $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 = ''; - - $post_id = absint( $this->query_vars['post_id'] ); - if ( ! empty( $post_id ) ) { - $where[] = $wpdb->prepare( 'comment_post_ID = %d', $post_id ); - } - - // Parse comment IDs for an IN clause. - if ( ! empty( $this->query_vars['comment__in'] ) ) { - $where[] = "$wpdb->comments.comment_ID IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__in'] ) ) . ' )'; - } - - // Parse comment IDs for a NOT IN clause. - if ( ! empty( $this->query_vars['comment__not_in'] ) ) { - $where[] = "$wpdb->comments.comment_ID NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__not_in'] ) ) . ' )'; - } - - // Parse comment post IDs for an IN clause. - if ( ! empty( $this->query_vars['post__in'] ) ) { - $where[] = 'comment_post_ID IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__in'] ) ) . ' )'; - } - - // Parse comment post IDs for a NOT IN clause. - if ( ! empty( $this->query_vars['post__not_in'] ) ) { - $where[] = 'comment_post_ID NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__not_in'] ) ) . ' )'; - } - - if ( '' !== $this->query_vars['author_email'] ) { - $where[] = $wpdb->prepare( 'comment_author_email = %s', $this->query_vars['author_email'] ); - } - - if ( '' !== $this->query_vars['karma'] ) { - $where[] = $wpdb->prepare( 'comment_karma = %d', $this->query_vars['karma'] ); - } - - // Filtering by comment_type: 'type', 'type__in', 'type__not_in'. - $raw_types = array( - 'IN' => array_merge( (array) $this->query_vars['type'], (array) $this->query_vars['type__in'] ), - 'NOT IN' => (array) $this->query_vars['type__not_in'], - ); - - $comment_types = array(); - foreach ( $raw_types as $operator => $_raw_types ) { - $_raw_types = array_unique( $_raw_types ); - - foreach ( $_raw_types as $type ) { - switch ( $type ) { - // An empty translates to 'all', for backward compatibility - case '': - case 'all' : - break; - - case 'comment': - case 'comments': - $comment_types[ $operator ][] = "''"; - break; - - case 'pings': - $comment_types[ $operator ][] = "'pingback'"; - $comment_types[ $operator ][] = "'trackback'"; - break; - - default: - $comment_types[ $operator ][] = $wpdb->prepare( '%s', $type ); - break; - } - } - - if ( ! empty( $comment_types[ $operator ] ) ) { - $types_sql = implode( ', ', $comment_types[ $operator ] ); - $where[] = "comment_type $operator ($types_sql)"; - } - } - - if ( '' !== $this->query_vars['parent'] ) { - $where[] = $wpdb->prepare( 'comment_parent = %d', $this->query_vars['parent'] ); - } - - if ( is_array( $this->query_vars['user_id'] ) ) { - $where[] = 'user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')'; - } elseif ( '' !== $this->query_vars['user_id'] ) { - $where[] = $wpdb->prepare( 'user_id = %d', $this->query_vars['user_id'] ); - } - - if ( '' !== $this->query_vars['search'] ) { - $search_sql = $this->get_search_sql( - $this->query_vars['search'], - array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' ) - ); - - // Strip leading 'AND'. - $where[] = preg_replace( '/^\s*AND\s*/', '', $search_sql ); - } - - // If any post-related query vars are passed, join the posts table. - $join_posts_table = false; - $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_posts_table = true; - foreach ( $post_fields as $field_name => $field_value ) { - // $field_value may be an array. - $esses = array_fill( 0, count( (array) $field_value ), '%s' ); - $where[] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $field_value ); - } - } - - // Comment author IDs for an IN clause. - if ( ! empty( $this->query_vars['author__in'] ) ) { - $where[] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )'; - } - - // Comment author IDs for a NOT IN clause. - if ( ! empty( $this->query_vars['author__not_in'] ) ) { - $where[] = 'user_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )'; - } - - // Post author IDs for an IN clause. - if ( ! empty( $this->query_vars['post_author__in'] ) ) { - $join_posts_table = true; - $where[] = 'post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__in'] ) ) . ' )'; - } - - // Post author IDs for a NOT IN clause. - if ( ! empty( $this->query_vars['post_author__not_in'] ) ) { - $join_posts_table = true; - $where[] = 'post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__not_in'] ) ) . ' )'; - } - - if ( $join_posts_table ) { - $join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID"; - } - - if ( ! empty( $meta_query_clauses ) ) { - $join .= $meta_query_clauses['join']; - - // Strip leading 'AND'. - $where[] = preg_replace( '/^\s*AND\s*/', '', $meta_query_clauses['where'] ); - - if ( ! $this->query_vars['count'] ) { - $groupby = "{$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[] = preg_replace( '/^\s*AND\s*/', '', $date_query_object->get_sql() ); - } - - $where = implode( ' AND ', $where ); - - $pieces = array( 'fields', 'join', 'where', 'orderby', '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' ] : ''; - $limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : ''; - $groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : ''; - - if ( $where ) { - $where = 'WHERE ' . $where; - } - - if ( $groupby ) { - $groupby = 'GROUP BY ' . $groupby; - } - - if ( $orderby ) { - $orderby = "ORDER BY $orderby"; - } - - $this->request = "SELECT $fields FROM $wpdb->comments $join $where $groupby $orderby $limits"; - - if ( $this->query_vars['count'] ) { - return $wpdb->get_var( $this->request ); - } - - if ( 'ids' == $this->query_vars['fields'] ) { - $this->comments = $wpdb->get_col( $this->request ); - return array_map( 'intval', $this->comments ); - } - - $results = $wpdb->get_results( $this->request ); - /** - * 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' ); - if ( '*' === $fields ) { - update_comment_cache( $comments ); - } - - $this->comments = $comments; - return $this->comments; - } - - /** - * Used internally to generate an SQL string for searching across multiple columns - * - * @since 3.1.0 - * @access protected - * - * @global wpdb $wpdb - * - * @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) . ')'; - } - - /** - * Parse and sanitize 'orderby' keys passed to the comment query. - * - * @since 4.2.0 - * @access protected - * - * @global wpdb $wpdb WordPress database abstraction object. - * - * @param string $orderby Alias for the field to order by. - * @return string|false Value to used in the ORDER clause. False otherwise. - */ - protected function parse_orderby( $orderby ) { - global $wpdb; - - $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'; - } - - $meta_query_clauses = $this->meta_query->get_clauses(); - if ( $meta_query_clauses ) { - $allowed_keys = array_merge( $allowed_keys, array_keys( $meta_query_clauses ) ); - } - - $parsed = false; - if ( $orderby == $this->query_vars['meta_key'] || $orderby == 'meta_value' ) { - $parsed = "$wpdb->commentmeta.meta_value"; - } elseif ( $orderby == 'meta_value_num' ) { - $parsed = "$wpdb->commentmeta.meta_value+0"; - } elseif ( in_array( $orderby, $allowed_keys ) ) { - - if ( isset( $meta_query_clauses[ $orderby ] ) ) { - $meta_clause = $meta_query_clauses[ $orderby ]; - $parsed = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) ); - } else { - $parsed = "$wpdb->comments.$orderby"; - } - } - - return $parsed; - } - - /** - * Parse an 'order' query variable and cast it to ASC or DESC as necessary. - * - * @since 4.2.0 - * @access protected - * - * @param string $order The 'order' query variable. - * @return string The sanitized 'order' query variable. - */ - protected function parse_order( $order ) { - if ( ! is_string( $order ) || empty( $order ) ) { - return 'DESC'; - } - - if ( 'ASC' === strtoupper( $order ) ) { - return 'ASC'; - } else { - return 'DESC'; - } - } -} - /** * Retrieve all of the WordPress supported comment statuses. * @@ -1023,11 +238,10 @@ class WP_Comment_Query { */ function get_comment_statuses() { $status = array( - 'hold' => __('Unapproved'), - /* translators: comment status */ - 'approve' => _x('Approved', 'adjective'), - /* translators: comment status */ - 'spam' => _x('Spam', 'adjective'), + 'hold' => __( 'Unapproved' ), + 'approve' => _x( 'Approved', 'comment status' ), + 'spam' => _x( 'Spam', 'comment status' ), + 'trash' => _x( 'Trash', 'comment status' ), ); return $status; @@ -1064,7 +278,7 @@ function get_default_comment_status( $post_type = 'post', $comment_type = 'comme } /** - * Filter the default comment status for the given post type. + * Filters the default comment status for the given post type. * * @since 4.3.0 * @@ -1080,46 +294,53 @@ function get_default_comment_status( $post_type = 'post', $comment_type = 'comme * The date the last comment was modified. * * @since 1.5.0 + * @since 4.7.0 Replaced caching the modified date in a local static variable + * with the Object Cache API. * * @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. + * @param string $timezone Which timezone to use in reference to 'gmt', 'blog', or 'server' locations. + * @return string|false Last comment modified date on success, false on failure. */ -function get_lastcommentmodified($timezone = 'server') { +function get_lastcommentmodified( $timezone = 'server' ) { global $wpdb; - static $cache_lastcommentmodified = array(); - if ( isset($cache_lastcommentmodified[$timezone]) ) - return $cache_lastcommentmodified[$timezone]; + $timezone = strtolower( $timezone ); + $key = "lastcommentmodified:$timezone"; - $add_seconds_server = date('Z'); + $comment_modified_date = wp_cache_get( $key, 'timeinfo' ); + if ( false !== $comment_modified_date ) { + return $comment_modified_date; + } - switch ( strtolower($timezone)) { + switch ( $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"); + $comment_modified_date = $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"); + $comment_modified_date = $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)); + $add_seconds_server = date( 'Z' ); + + $comment_modified_date = $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; + if ( $comment_modified_date ) { + wp_cache_set( $key, $comment_modified_date, 'timeinfo' ); + + return $comment_modified_date; + } - return $lastcommentmodified; + return false; } /** * 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. + * 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 * @@ -1146,25 +367,36 @@ function get_comment_count( $post_id = 0 ) { ", ARRAY_A); $comment_count = array( - "approved" => 0, - "awaiting_moderation" => 0, - "spam" => 0, - "total_comments" => 0 + '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']; + $comment_count['total_comments'] += $row['total']; break; - case 1: + case '1': $comment_count['approved'] = $row['total']; $comment_count['total_comments'] += $row['total']; + $comment_count['all'] += $row['total']; break; - case 0: + case '0': $comment_count['awaiting_moderation'] = $row['total']; $comment_count['total_comments'] += $row['total']; + $comment_count['all'] += $row['total']; break; default: break; @@ -1250,12 +482,36 @@ function update_comment_meta($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 object $comment Comment object. - * @param object $user Comment author's object. + * @param WP_Comment $comment Comment object. + * @param object $user Comment author's object. * * @since 3.4.0 */ @@ -1264,7 +520,7 @@ function wp_set_comment_cookies($comment, $user) { return; /** - * Filter the lifetime of the comment cookie in seconds. + * Filters the lifetime of the comment cookie in seconds. * * @since 2.8.0 * @@ -1288,7 +544,7 @@ function wp_set_comment_cookies($comment, $user) { function sanitize_comment_cookies() { if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) { /** - * Filter the comment author's name cookie before it is set. + * 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. @@ -1305,7 +561,7 @@ function sanitize_comment_cookies() { if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) { /** - * Filter the comment author's email cookie before it is set. + * 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. @@ -1322,7 +578,7 @@ function sanitize_comment_cookies() { if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) { /** - * Filter the comment author's URL cookie before it is set. + * Filters the comment author's URL cookie before it is set. * * When this filter hook is evaluated in wp_filter_comment(), * the comment author's URL string is passed. @@ -1341,13 +597,19 @@ function sanitize_comment_cookies() { * Validates whether this comment is allowed to be made. * * @since 2.0.0 + * @since 4.7.0 The `$avoid_die` parameter was added, allowing the function to + * return a WP_Error object instead of dying. * * @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') + * @param array $commentdata Contains information on the comment. + * @param bool $avoid_die When true, a disallowed comment will result in the function + * returning a WP_Error object, rather than executing wp_die(). + * Default false. + * @return int|string|WP_Error Allowed comments return the approval status (0|1|'spam'). + * If `$avoid_die` is true, disallowed comments return a WP_Error. */ -function wp_allow_comment( $commentdata ) { +function wp_allow_comment( $commentdata, $avoid_die = false ) { global $wpdb; // Simple duplicate check @@ -1360,7 +622,7 @@ function wp_allow_comment( $commentdata ) { ); if ( $commentdata['comment_author_email'] ) { $dupe .= $wpdb->prepare( - "OR comment_author_email = %s ", + "AND comment_author_email = %s ", wp_unslash( $commentdata['comment_author_email'] ) ); } @@ -1368,7 +630,22 @@ function wp_allow_comment( $commentdata ) { ") AND comment_content = %s LIMIT 1", wp_unslash( $commentdata['comment_content'] ) ); - if ( $wpdb->get_var( $dupe ) ) { + + $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. * @@ -1377,10 +654,15 @@ function wp_allow_comment( $commentdata ) { * @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!') ); + if ( true === $avoid_die ) { + return new WP_Error( 'comment_duplicate', __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 ); + } else { + if ( wp_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 ); } - wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 ); } /** @@ -1389,18 +671,49 @@ function wp_allow_comment( $commentdata ) { * Allows checking for comment flooding. * * @since 2.3.0 + * @since 4.7.0 The `$avoid_die` parameter was added. * * @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. + * @param bool $avoid_die Whether to prevent executing wp_die() + * or die() if a comment flood is occurring. */ do_action( 'check_comment_flood', $commentdata['comment_author_IP'], $commentdata['comment_author_email'], - $commentdata['comment_date_gmt'] + $commentdata['comment_date_gmt'], + $avoid_die ); + /** + * Filters whether a comment is part of a comment flood. + * + * The default check is wp_check_comment_flood(). See check_comment_flood_db(). + * + * @since 4.7.0 + * + * @param bool $is_flood Is a comment flooding occurring? Default false. + * @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. + * @param bool $avoid_die Whether to prevent executing wp_die() + * or die() if a comment flood is occurring. + */ + $is_flood = apply_filters( + 'wp_is_comment_flood', + false, + $commentdata['comment_author_IP'], + $commentdata['comment_author_email'], + $commentdata['comment_date_gmt'], + $avoid_die + ); + + if ( $is_flood ) { + return new WP_Error( 'comment_flood', __( 'You are posting comments too quickly. Slow down.' ), 429 ); + } + if ( ! empty( $commentdata['user_id'] ) ) { $user = get_userdata( $commentdata['user_id'] ); $post_author = $wpdb->get_var( $wpdb->prepare( @@ -1436,12 +749,12 @@ function wp_allow_comment( $commentdata ) { $commentdata['comment_author_IP'], $commentdata['comment_agent'] ) ) { - $approved = 'spam'; + $approved = EMPTY_TRASH_DAYS ? 'trash' : 'spam'; } } /** - * Filter a comment's approval status before it is set. + * Filters a comment's approval status before it is set. * * @since 2.1.0 * @@ -1453,29 +766,73 @@ function wp_allow_comment( $commentdata ) { } /** - * Check whether comment flooding is occurring. + * Hooks WP's native database-based comment-flood check. + * + * This wrapper maintains backward compatibility with plugins that expect to + * be able to unhook the legacy check_comment_flood_db() function from + * 'check_comment_flood' using remove_action(). + * + * @since 2.3.0 + * @since 4.7.0 Converted to be an add_filter() wrapper. + */ +function check_comment_flood_db() { + add_filter( 'wp_is_comment_flood', 'wp_check_comment_flood', 10, 5 ); +} + +/** + * Checks whether comment flooding is occurring. * * Won't run, if current user can manage options, so to not block * administrators. * - * @since 2.3.0 + * @since 4.7.0 * * @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. + * @param bool $is_flood Is a comment flooding occurring? + * @param string $ip Comment IP. + * @param string $email Comment author email address. + * @param string $date MySQL time string. + * @param bool $avoid_die When true, a disallowed comment will result in the function + * returning a WP_Error object, rather than executing wp_die(). + * Default false. + * @return bool Whether comment flooding is occurring. */ -function check_comment_flood_db( $ip, $email, $date ) { +function wp_check_comment_flood( $is_flood, $ip, $email, $date, $avoid_die = false ) { + global $wpdb; - if ( current_user_can( 'manage_options' ) ) - return; // don't throttle admins + + // Another callback has declared a flood. Trust it. + if ( true === $is_flood ) { + return $is_flood; + } + + // don't throttle admins or moderators + if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) { + return false; + } $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 ) ) ) { + + 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); /** - * Filter the comment flood status. + * Filters the comment flood status. * * @since 2.1.0 * @@ -1494,13 +851,19 @@ function check_comment_flood_db( $ip, $email, $date ) { * @param int $time_newcomment Timestamp of when the new comment was posted. */ do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment ); + if ( true === $avoid_die ) { + return true; + } else { + if ( wp_doing_ajax() ) { + die( __('You are posting comments too quickly. Slow down.') ); + } - if ( defined('DOING_AJAX') ) - die( __('You are posting comments too quickly. Slow down.') ); - - wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 ); + wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 ); + } } } + + return false; } /** @@ -1535,7 +898,7 @@ function separate_comments(&$comments) { * * @global WP_Query $wp_query * - * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments + * @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. @@ -1552,8 +915,9 @@ function get_comment_pages_count( $comments = null, $per_page = null, $threaded if ( empty($comments) ) return 0; - if ( ! get_option( 'page_comments' ) ) + if ( ! get_option( 'page_comments' ) ) { return 1; + } if ( !isset($per_page) ) $per_page = (int) get_query_var('comments_per_page'); @@ -1580,58 +944,207 @@ function get_comment_pages_count( $comments = null, $per_page = null, $threaded * * @since 2.7.0 * - * @global wpdb $wpdb + * @global wpdb $wpdb WordPress database abstraction object. * - * @param int $comment_ID Comment ID. - * @param array $args Optional args. + * @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; + $page = null; + if ( !$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 ( '' === $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; + if ( $args['per_page'] < 1 ) { + $page = 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 ); + 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 ) / $args['per_page'] ); + } + } + + /** + * Filters the calculated page on which a comment appears. + * + * @since 4.4.0 + * @since 4.7.0 Introduced the `$comment_ID` parameter. + * + * @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. + * } + * @param int $comment_ID ID of the comment. + */ + return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_ID ); +} + +/** + * 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 ); +} + +/** + * Compares the lengths of comment data against the maximum character limits. + * + * @since 4.7.0 + * + * @param array $comment_data Array of arguments for inserting a comment. + * @return WP_Error|true WP_Error when a comment field exceeds the limit, + * otherwise true. + */ +function wp_check_comment_data_max_lengths( $comment_data ) { + $max_lengths = wp_get_comment_fields_max_lengths(); - $allowedtypes = array( - 'comment' => '', - 'pingback' => 'pingback', - 'trackback' => 'trackback', - ); + if ( isset( $comment_data['comment_author'] ) && mb_strlen( $comment_data['comment_author'], '8bit' ) > $max_lengths['comment_author'] ) { + return new WP_Error( 'comment_author_column_length', __( 'ERROR: your name is too long.' ), 200 ); + } - $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : ''; + if ( isset( $comment_data['comment_author_email'] ) && strlen( $comment_data['comment_author_email'] ) > $max_lengths['comment_author_email'] ) { + return new WP_Error( 'comment_author_email_column_length', __( 'ERROR: your email address is too long.' ), 200 ); + } - // 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 ) ); + if ( isset( $comment_data['comment_author_url'] ) && strlen( $comment_data['comment_author_url'] ) > $max_lengths['comment_author_url'] ) { + return new WP_Error( 'comment_author_url_column_length', __( 'ERROR: your url is too long.' ), 200 ); + } - // No older comments? Then it's page #1. - if ( 0 == $oldercoms ) - return 1; + if ( isset( $comment_data['comment_content'] ) && mb_strlen( $comment_data['comment_content'], '8bit' ) > $max_lengths['comment_content'] ) { + return new WP_Error( 'comment_content_column_length', __( 'ERROR: your comment is too long.' ), 200 ); + } - // Divide comments older than this one by comments per page to get this comment's page number - return ceil( ( $oldercoms + 1 ) / $args['per_page'] ); + return true; } /** @@ -1665,6 +1178,10 @@ function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_age $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 $word ) { @@ -1683,6 +1200,7 @@ function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_age || preg_match($pattern, $email) || preg_match($pattern, $url) || preg_match($pattern, $comment) + || preg_match($pattern, $comment_without_html) || preg_match($pattern, $user_ip) || preg_match($pattern, $user_agent) ) @@ -1704,59 +1222,38 @@ function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_age * * @since 2.5.0 * - * @global wpdb $wpdb - * * @param int $post_id Optional. Post ID. * @return object|array Comment stats. */ function wp_count_comments( $post_id = 0 ) { - global $wpdb; - $post_id = (int) $post_id; /** - * Filter the comments count for a given post. + * 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. */ - $stats = apply_filters( 'wp_count_comments', array(), $post_id ); - if ( !empty($stats) ) - return $stats; - - $count = wp_cache_get("comments-{$post_id}", 'counts'); + $filtered = apply_filters( 'wp_count_comments', array(), $post_id ); + if ( ! empty( $filtered ) ) { + return $filtered; + } - if ( false !== $count ) + $count = wp_cache_get( "comments-{$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 = get_comment_count( $post_id ); + $stats['moderated'] = $stats['awaiting_moderation']; + unset( $stats['awaiting_moderation'] ); - $stats = (object) $stats; - wp_cache_set("comments-{$post_id}", $stats, 'counts'); + $stats_object = (object) $stats; + wp_cache_set( "comments-{$post_id}", $stats_object, 'counts' ); - return $stats; + return $stats_object; } /** @@ -1772,8 +1269,8 @@ function wp_count_comments( $post_id = 0 ) { * * @global wpdb $wpdb WordPress database abstraction object. * - * @param int $comment_id Comment ID - * @param bool $force_delete Whether to bypass trash and force deletion. Default is false. + * @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, $force_delete = false) { @@ -1781,7 +1278,7 @@ function wp_delete_comment($comment_id, $force_delete = false) { if (!$comment = get_comment($comment_id)) return false; - if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status($comment_id), array( 'trash', 'spam' ) ) ) + if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status( $comment ), array( 'trash', 'spam' ) ) ) return wp_trash_comment($comment_id); /** @@ -1791,21 +1288,21 @@ function wp_delete_comment($comment_id, $force_delete = false) { * * @param int $comment_id The comment ID. */ - do_action( 'delete_comment', $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_id) ); + $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_id)); + $wpdb->update($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_id ) ); + $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->delete( $wpdb->comments, array( 'comment_ID' => $comment_id ) ) ) + if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment->comment_ID ) ) ) return false; /** @@ -1815,16 +1312,16 @@ function wp_delete_comment($comment_id, $force_delete = false) { * * @param int $comment_id The comment ID. */ - do_action( 'deleted_comment', $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_id, 'delete' ); + do_action( 'wp_set_comment_status', $comment->comment_ID, 'delete' ); wp_transition_comment_status('delete', $comment->comment_approved, $comment); return true; @@ -1837,7 +1334,7 @@ function wp_delete_comment($comment_id, $force_delete = false) { * * @since 2.9.0 * - * @param int $comment_id Comment ID. + * @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) { @@ -1854,11 +1351,13 @@ function wp_trash_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'trash_comment', $comment_id ); + do_action( 'trash_comment', $comment->comment_ID ); - if ( wp_set_comment_status($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() ); + 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( $comment->comment_ID, '_wp_trash_meta_time', time() ); /** * Fires immediately after a comment is sent to Trash. @@ -1867,7 +1366,7 @@ function wp_trash_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'trashed_comment', $comment_id ); + do_action( 'trashed_comment', $comment->comment_ID ); return true; } @@ -1879,12 +1378,14 @@ function wp_trash_comment($comment_id) { * * @since 2.9.0 * - * @param int $comment_id Comment ID. + * @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) { - if ( ! (int)$comment_id ) + $comment = get_comment( $comment_id ); + if ( ! $comment ) { return false; + } /** * Fires immediately before a comment is restored from the Trash. @@ -1893,15 +1394,15 @@ function wp_untrash_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'untrash_comment', $comment_id ); + do_action( 'untrash_comment', $comment->comment_ID ); - $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true); + $status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ); if ( empty($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'); + if ( wp_set_comment_status( $comment, $status ) ) { + delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' ); + delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' ); /** * Fires immediately after a comment is restored from the Trash. * @@ -1909,7 +1410,7 @@ function wp_untrash_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'untrashed_comment', $comment_id ); + do_action( 'untrashed_comment', $comment->comment_ID ); return true; } @@ -1921,12 +1422,14 @@ function wp_untrash_comment($comment_id) { * * @since 2.9.0 * - * @param int $comment_id Comment ID. + * @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) { - if ( !$comment = get_comment($comment_id) ) +function wp_spam_comment( $comment_id ) { + $comment = get_comment( $comment_id ); + if ( ! $comment ) { return false; + } /** * Fires immediately before a comment is marked as Spam. @@ -1935,10 +1438,13 @@ function wp_spam_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'spam_comment', $comment_id ); + do_action( 'spam_comment', $comment->comment_ID ); - if ( wp_set_comment_status($comment_id, 'spam') ) { - add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved); + 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( $comment->comment_ID, '_wp_trash_meta_time', time() ); /** * Fires immediately after a comment is marked as Spam. * @@ -1946,7 +1452,7 @@ function wp_spam_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'spammed_comment', $comment_id ); + do_action( 'spammed_comment', $comment->comment_ID ); return true; } @@ -1958,12 +1464,14 @@ function wp_spam_comment($comment_id) { * * @since 2.9.0 * - * @param int $comment_id Comment ID. + * @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) { - if ( ! (int)$comment_id ) +function wp_unspam_comment( $comment_id ) { + $comment = get_comment( $comment_id ); + if ( ! $comment ) { return false; + } /** * Fires immediately before a comment is unmarked as Spam. @@ -1972,14 +1480,15 @@ function wp_unspam_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'unspam_comment', $comment_id ); + do_action( 'unspam_comment', $comment->comment_ID ); - $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true); + $status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ); if ( empty($status) ) $status = '0'; - if ( wp_set_comment_status($comment_id, $status) ) { - delete_comment_meta($comment_id, '_wp_trash_meta_status'); + if ( wp_set_comment_status( $comment, $status ) ) { + delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' ); + delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' ); /** * Fires immediately after a comment is unmarked as Spam. * @@ -1987,7 +1496,7 @@ function wp_unspam_comment($comment_id) { * * @param int $comment_id The comment ID. */ - do_action( 'unspammed_comment', $comment_id ); + do_action( 'unspammed_comment', $comment->comment_ID ); return true; } @@ -1999,7 +1508,7 @@ function wp_unspam_comment($comment_id) { * * @since 1.0.0 * - * @param int $comment_id Comment ID + * @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) { @@ -2028,14 +1537,12 @@ function wp_get_comment_status($comment_id) { * * 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 $old_status parameter; it has the + * {@see 'transition_comment_status'} with new status, old status, and comment data. The + * next action called is {@see comment_$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 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status - * parameter and COMMENTTYPE is comment_type comment data. + * action is named {@see 'comment_$new_status_$comment->comment_type'}. * * @since 2.7.0 * @@ -2078,7 +1585,7 @@ function wp_transition_comment_status($new_status, $old_status, $comment) { * * @since 2.7.0 * - * @param object $comment Comment object. + * @param WP_Comment $comment Comment object. */ do_action( "comment_{$old_status}_to_{$new_status}", $comment ); } @@ -2093,12 +1600,32 @@ function wp_transition_comment_status($new_status, $old_status, $comment) { * * @since 2.7.0 * - * @param int $comment_ID The comment ID. - * @param obj $comment Comment object. + * @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 ); } +/** + * Clear the lastcommentmodified cached value when a comment status is changed. + * + * Deletes the lastcommentmodified cache key when a comment enters or leaves + * 'approved' status. + * + * @since 4.7.0 + * @access private + * + * @param string $new_status The new comment status. + * @param string $old_status The old comment status. + */ +function _clear_modified_cache_on_transition_comment_status( $new_status, $old_status ) { + if ( 'approved' === $new_status || 'approved' === $old_status ) { + foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { + wp_cache_delete( "lastcommentmodified:$timezone", 'timeinfo' ); + } + } +} + /** * Get current commenter's name, email, and URL. * @@ -2127,13 +1654,17 @@ function wp_get_current_commenter() { $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH]; /** - * Filter the current commenter's name, email, and URL. + * Filters 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. + * @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') ); } @@ -2142,6 +1673,7 @@ function wp_get_current_commenter() { * 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. * @@ -2164,8 +1696,10 @@ function wp_get_current_commenter() { * @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 empty. + * 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. @@ -2182,7 +1716,7 @@ function wp_insert_comment( $commentdata ) { $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'] ) ? '' : $data['comment_post_ID']; + $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']; @@ -2201,21 +1735,33 @@ function wp_insert_comment( $commentdata ) { if ( $comment_approved == 1 ) { wp_update_comment_count( $comment_post_ID ); + + foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { + wp_cache_delete( "lastcommentmodified:$timezone", 'timeinfo' ); + } } + + 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 obj $comment Comment object. + * @param int $id The comment ID. + * @param WP_Comment $comment Comment object. */ do_action( 'wp_insert_comment', $id, $comment ); - wp_cache_set( 'last_changed', microtime(), 'comment' ); - return $id; } @@ -2234,7 +1780,7 @@ function wp_insert_comment( $commentdata ) { function wp_filter_comment($commentdata) { if ( isset( $commentdata['user_ID'] ) ) { /** - * Filter the comment author's user id before it is set. + * Filters the comment author's user id before it is set. * * The first time this filter is evaluated, 'user_ID' is checked * (for back-compat), followed by the standard 'user_id' value. @@ -2250,29 +1796,29 @@ function wp_filter_comment($commentdata) { } /** - * Filter the comment author's browser user agent before it is set. + * Filters the comment author's browser user agent before it is set. * * @since 1.5.0 * - * @param int $comment_agent The comment author's browser user agent. + * @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'] ); /** - * Filter the comment content before it is set. + * Filters the comment content before it is set. * * @since 1.5.0 * - * @param int $comment_content The comment content. + * @param string $comment_content The comment content. */ $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); /** - * Filter the comment author's IP before it is set. + * Filters the comment author's IP before it is set. * * @since 1.5.0 * - * @param int $comment_author_ip The comment author's IP. + * @param string $comment_author_ip The comment author's IP. */ $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); /** This filter is documented in wp-includes/comment.php */ @@ -2305,26 +1851,47 @@ function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) * Adds a new comment to the database. * * Filters new comment to ensure that the fields are sanitized and valid before - * inserting comment into database. Calls 'comment_post' action with comment ID - * and whether comment is approved by WordPress. Also has 'preprocess_comment' + * inserting comment into database. Calls {@see 'comment_post'} action with comment ID + * and whether comment is approved by WordPress. Also has {@see 'preprocess_comment'} * filter for processing the comment data before the function handles it. * - * We use REMOTE_ADDR here directly. If you are behind a proxy, you should ensure + * We use `REMOTE_ADDR` here directly. If you are behind a proxy, you should ensure * that it is properly set, such as in wp-config.php, for your environment. + * * See {@link https://core.trac.wordpress.org/ticket/9235} * * @since 1.5.0 * @since 4.3.0 'comment_agent' and 'comment_author_IP' can be set via `$commentdata`. + * @since 4.7.0 The `$avoid_die` parameter was added, allowing the function to + * return a WP_Error object instead of dying. * * @see wp_insert_comment() + * @global wpdb $wpdb WordPress database abstraction object. * - * @global wpdb $wpdb - * - * @param array $commentdata Contains information on the comment. See wp_insert_comment() - * for information on accepted arguments. - * @return int|false The ID of the comment on success, false on failure. + * @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. + * } + * @param bool $avoid_die Should errors be returned as WP_Error objects instead of + * executing wp_die()? Default false. + * @return int|false|WP_Error The ID of the comment on success, false or WP_Error on failure. */ -function wp_new_comment( $commentdata ) { +function wp_new_comment( $commentdata, $avoid_die = false ) { global $wpdb; if ( isset( $commentdata['user_ID'] ) ) { @@ -2334,7 +1901,7 @@ function wp_new_comment( $commentdata ) { $prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0; /** - * Filter a comment's data before it is sanitized and inserted into the database. + * Filters a comment's data before it is sanitized and inserted into the database. * * @since 1.5.0 * @@ -2373,13 +1940,16 @@ function wp_new_comment( $commentdata ) { $commentdata = wp_filter_comment($commentdata); - $commentdata['comment_approved'] = wp_allow_comment($commentdata); + $commentdata['comment_approved'] = wp_allow_comment( $commentdata, $avoid_die ); + if ( is_wp_error( $commentdata['comment_approved'] ) ) { + return $commentdata['comment_approved']; + } $comment_ID = wp_insert_comment($commentdata); if ( ! $comment_ID ) { $fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' ); - foreach( $fields as $field ) { + foreach ( $fields as $field ) { if ( isset( $commentdata[ $field ] ) ) { $commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] ); } @@ -2387,7 +1957,10 @@ function wp_new_comment( $commentdata ) { $commentdata = wp_filter_comment( $commentdata ); - $commentdata['comment_approved'] = wp_allow_comment( $commentdata ); + $commentdata['comment_approved'] = wp_allow_comment( $commentdata, $avoid_die ); + if ( is_wp_error( $commentdata['comment_approved'] ) ) { + return $commentdata['comment_approved']; + } $comment_ID = wp_insert_comment( $commentdata ); if ( ! $comment_ID ) { @@ -2399,40 +1972,97 @@ function wp_new_comment( $commentdata ) { * Fires immediately after a comment is inserted into the database. * * @since 1.2.0 + * @since 4.5.0 The `$commentdata` parameter was added. * - * @param int $comment_ID The comment ID. - * @param int $comment_approved 1 (true) if the comment is approved, 0 (false) if not. + * @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'] ); + do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'], $commentdata ); - 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 ); - } + return $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 ( get_option( 'comments_notify' ) && $commentdata['comment_approved'] ) { - wp_notify_postauthor( $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 ); + + // 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 $comment_ID; + 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 'wp_set_comment_status' action is called after the comment is handled. + * 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 + * @global wpdb $wpdb WordPress database abstraction object. * - * @param int $comment_id Comment ID. - * @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. + * @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, $wp_error = false) { @@ -2446,9 +2076,7 @@ function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) case 'approve': case '1': $status = '1'; - if ( get_option('comments_notify') ) { - wp_notify_postauthor( $comment_id ); - } + add_action( 'wp_set_comment_status', 'wp_new_comment_notify_postauthor' ); break; case 'spam': $status = 'spam'; @@ -2462,16 +2090,16 @@ function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) $comment_old = clone get_comment($comment_id); - if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) { + if ( !$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_id); + $comment = get_comment( $comment_old->comment_ID ); /** * Fires immediately before transitioning a comment's status from one to another @@ -2483,7 +2111,7 @@ function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) * @param string|bool $comment_status Current comment status. Possible values include * 'hold', 'approve', 'spam', 'trash', or false. */ - do_action( 'wp_set_comment_status', $comment_id, $comment_status ); + do_action( 'wp_set_comment_status', $comment->comment_ID, $comment_status ); wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment); @@ -2514,7 +2142,7 @@ function wp_update_comment($commentarr) { } // Make sure that the comment post ID is valid (if specified). - if ( isset( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) { + if ( ! empty( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) { return 0; } @@ -2532,7 +2160,7 @@ function wp_update_comment($commentarr) { $data = wp_unslash( $commentarr ); /** - * Filter the comment content before it is updated in the database. + * Filters the comment content before it is updated in the database. * * @since 1.5.0 * @@ -2552,8 +2180,23 @@ function wp_update_comment($commentarr) { $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' ); + + /** + * Filters the comment data immediately before it is updated in the database. + * + * Note: data being passed to the filter is already unslashed. + * + * @since 4.7.0 + * + * @param array $data The new, processed comment data. + * @param array $comment The old, unslashed comment data. + * @param array $commentarr The new, raw comment data. + */ + $data = apply_filters( 'wp_update_comment_data', $data, $comment, $commentarr ); + + $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( $comment_ID ); @@ -2564,10 +2207,12 @@ function wp_update_comment($commentarr) { * 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 int $comment_ID The comment ID. + * @param array $data Comment data. */ - do_action( 'edit_comment', $comment_ID ); + do_action( 'edit_comment', $comment_ID, $data ); $comment = get_comment($comment_ID); wp_transition_comment_status($comment->comment_approved, $old_status, $comment); return $rval; @@ -2616,13 +2261,19 @@ function wp_defer_comment_counting($defer=null) { * * @staticvar array $_deferred * - * @param int $post_id Post ID - * @param bool $do_deferred Whether to process previously deferred post comment counts - * @return bool|void True on success, false on failure + * @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; + } + if ( $do_deferred ) { $_deferred = array_unique($_deferred); foreach ( $_deferred as $i => $_post_id ) { @@ -2656,11 +2307,32 @@ function wp_update_comment_count_now($post_id) { $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( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $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; + } + $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) ); clean_post_cache( $post ); @@ -2700,7 +2372,7 @@ function wp_update_comment_count_now($post_id) { */ function discover_pingback_server_uri( $url, $deprecated = '' ) { if ( !empty( $deprecated ) ) - _deprecated_argument( __FUNCTION__, '2.7' ); + _deprecated_argument( __FUNCTION__, '2.7.0' ); $pingback_str_dquote = 'rel="pingback"'; $pingback_str_squote = 'rel=\'pingback\''; @@ -2708,11 +2380,11 @@ function discover_pingback_server_uri( $url, $deprecated = '' ) { /** @todo Should use Filter Extension or custom preg_match instead. */ $parsed_url = parse_url($url); - if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen. + if ( ! isset( $parsed_url['host'] ) ) // Not a URL. This should never happen. return false; //Do not search for a pingback server on our own uploads - $uploads_dir = wp_upload_dir(); + $uploads_dir = wp_get_upload_dir(); if ( 0 === strpos($url, $uploads_dir['baseurl']) ) return false; @@ -2792,19 +2464,23 @@ function do_all_pings() { * Perform trackbacks. * * @since 1.5.0 + * @since 4.7.0 $post_id can be a WP_Post object. * * @global wpdb $wpdb WordPress database abstraction object. * - * @param int $post_id Post ID to do trackbacks on. + * @param int|WP_Post $post_id Post object or ID to do trackbacks on. */ -function do_trackbacks($post_id) { +function do_trackbacks( $post_id ) { global $wpdb; - $post = get_post( $post_id ); - $to_ping = get_to_ping($post_id); - $pinged = get_pung($post_id); - if ( empty($to_ping) ) { - $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) ); + if ( ! $post ) { + return false; + } + + $to_ping = get_to_ping( $post ); + $pinged = get_pung( $post ); + if ( empty( $to_ping ) ) { + $wpdb->update($wpdb->posts, array( 'to_ping' => '' ), array( 'ID' => $post->ID ) ); return; } @@ -2827,10 +2503,11 @@ function do_trackbacks($post_id) { foreach ( (array) $to_ping as $tb_ping ) { $tb_ping = trim($tb_ping); if ( !in_array($tb_ping, $pinged) ) { - trackback($tb_ping, $post_title, $excerpt, $post_id); + trackback( $tb_ping, $post_title, $excerpt, $post->ID ); $pinged[] = $tb_ping; } else { - $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $tb_ping, $post_id) ); + $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, + '')) WHERE ID = %d", $tb_ping, $post->ID ) ); } } } @@ -2861,21 +2538,28 @@ function generic_ping( $post_id = 0 ) { * Pings back the links found in a post. * * @since 0.71 + * @since 4.7.0 $post_id can be a WP_Post object. * - * @global string $wp_version - * - * @param string $content Post content to check for links. - * @param int $post_ID Post ID. + * @param string $content Post content to check for links. If empty will retrieve from post. + * @param int|WP_Post $post_id Post Object or ID. */ -function pingback($content, $post_ID) { - global $wp_version; - include_once(ABSPATH . WPINC . '/class-IXR.php'); - include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php'); +function pingback( $content, $post_id ) { + 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); + $post = get_post( $post_id ); + if ( ! $post ) { + return; + } + + $pung = get_pung( $post ); + + if ( empty( $content ) ) { + $content = $post->post_content; + } // Step 1 // Parsing the post, external links (if any) are stored in the $post_links array @@ -2891,7 +2575,7 @@ function pingback($content, $post_ID) { // We don't wanna ping first and second types, even if they have a valid 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 + 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. if ( $test = @parse_url($link_test) ) { if ( isset($test['query']) ) @@ -2912,7 +2596,7 @@ function pingback($content, $post_ID) { * @param array &$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, $post_ID ) ); + do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post->ID ) ); foreach ( (array) $post_links as $pagelinkedto ) { $pingback_server_url = discover_pingback_server_uri( $pagelinkedto ); @@ -2920,13 +2604,13 @@ function pingback($content, $post_ID) { if ( $pingback_server_url ) { @ set_time_limit( 60 ); // Now, the RPC call - $pagelinkedfrom = get_permalink($post_ID); + $pagelinkedfrom = get_permalink( $post ); // using a timeout of 3 seconds should be enough to cover slow servers $client = new WP_HTTP_IXR_Client($pingback_server_url); $client->timeout = 3; /** - * Filter the user agent sent when pinging-back a URL. + * Filters the user agent sent when pinging-back a URL. * * @since 2.9.0 * @@ -2937,12 +2621,12 @@ function pingback($content, $post_ID) { * @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 ); + $client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . get_bloginfo( 'version' ), $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom ); // when set to true, this outputs debug messages by itself $client->debug = false; if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered - add_ping( $post_ID, $pagelinkedto ); + add_ping( $post, $pagelinkedto ); } } } @@ -2984,7 +2668,7 @@ function trackback($trackback_url, $title, $excerpt, $ID) { return; $options = array(); - $options['timeout'] = 4; + $options['timeout'] = 10; $options['body'] = array( 'title' => $title, 'url' => get_permalink($ID), @@ -3006,20 +2690,17 @@ function trackback($trackback_url, $title, $excerpt, $ID) { * * @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'); + 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 $client = new WP_HTTP_IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path)); $client->timeout = 3; - $client->useragent .= ' -- WordPress/'.$wp_version; + $client->useragent .= ' -- WordPress/' . get_bloginfo( 'version' ); // when set to true, this outputs debug messages by itself $client->debug = false; @@ -3048,7 +2729,7 @@ function pingback_ping_source_uri( $source_uri ) { * which reports that the pingback is already registered. * * @since 3.5.1 - * @link http://www.hixie.ch/specs/pingback/pingback#TOC3 + * @link https://www.hixie.ch/specs/pingback/pingback#TOC3 * * @param IXR_Error $ixr_error * @return IXR_Error @@ -3064,15 +2745,25 @@ function xmlrpc_pingback_error( $ixr_error ) { // /** - * Removes comment ID from the comment cache. + * Removes a comment from the object cache. * * @since 2.3.0 * - * @param int|array $ids Comment ID or array of comment IDs to remove from cache + * @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'); + 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', $id ); + } wp_cache_set( 'last_changed', microtime(), 'comment' ); } @@ -3085,12 +2776,46 @@ function clean_comment_cache($ids) { * 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 array $comments Array of comment row objects + * @param bool $update_meta_cache Whether to update commentmeta cache. Default true. */ -function update_comment_cache($comments) { +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 ); + } } // @@ -3112,7 +2837,7 @@ function _close_comments_for_old_posts( $posts, $query ) { return $posts; /** - * Filter the list of post types to automatically close comments for. + * Filters the list of post types to automatically close comments for. * * @since 3.2.0 * @@ -3162,8 +2887,215 @@ function _close_comments_for_old_post( $open, $post_id ) { 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 = 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'] ); + } + + $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 comment.' ), 403 ); + } + } + + $comment_type = ''; + + if ( get_option( 'require_name_email' ) && ! $user->exists() ) { + if ( 6 > strlen( $comment_author_email ) || '' == $comment_author ) { + return new WP_Error( 'require_name_email', __( 'ERROR: please fill the required fields (name, email).' ), 200 ); + } elseif ( ! is_email( $comment_author_email ) ) { + return new WP_Error( 'require_valid_email', __( 'ERROR: please enter a valid email address.' ), 200 ); + } + } + + if ( '' == $comment_content ) { + return new WP_Error( 'require_valid_comment', __( 'ERROR: please type a comment.' ), 200 ); + } + + $commentdata = compact( + 'comment_post_ID', + 'comment_author', + 'comment_author_email', + 'comment_author_url', + 'comment_content', + 'comment_type', + 'comment_parent', + 'user_ID' + ); + + $check_max_lengths = wp_check_comment_data_max_lengths( $commentdata ); + if ( is_wp_error( $check_max_lengths ) ) { + return $check_max_lengths; + } + + $comment_id = wp_new_comment( wp_slash( $commentdata ), true ); + if ( is_wp_error( $comment_id ) ) { + return $comment_id; + } + + if ( ! $comment_id ) { + return new WP_Error( 'comment_save_error', __( 'ERROR: The comment could not be saved. Please try again later.' ), 500 ); + } + + return get_comment( $comment_id ); +}