WP_Comment_Query::parse_orderby() protected WP 4.2.0

Parse and sanitize 'orderby' keys passed to the comment query.

Это метод класса: WP_Comment_Query{}

Хуков нет.

Возвращает

Строку/false. Value to used in the ORDER clause. False otherwise.

Использование

// protected - в коде основоного (родительского) или дочернего класса
$result = $this->parse_orderby( $orderby );

$orderby(строка) (обязательный)

Alias for the field to order by.

Заметки

• Global. wpdb. $wpdb WordPress database abstraction object.

Список изменений

Код WP Comment Query::parse orderby: wp-includes/class-wp-comment-query.php ^{WP 5.5.1}

<?php
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 ( $this->query_vars['meta_key'] === $orderby || 'meta_value' === $orderby ) {
		$parsed = "$wpdb->commentmeta.meta_value";
	} elseif ( 'meta_value_num' === $orderby ) {
		$parsed = "$wpdb->commentmeta.meta_value+0";
	} elseif ( 'comment__in' === $orderby ) {
		$comment__in = implode( ',', array_map( 'absint', $this->query_vars['comment__in'] ) );
		$parsed      = "FIELD( {$wpdb->comments}.comment_ID, $comment__in )";
	} elseif ( in_array( $orderby, $allowed_keys, true ) ) {

		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;
}