comment_exists()WP 2.0.0

Determines if a comment exists based on author and date.

For best performance, use $timezone = 'gmt', which queries a field that is properly indexed. The default value for $timezone is 'blog' for legacy reasons.

Хуков нет.


Строку|null. Comment post ID on success.


comment_exists( $comment_author, $comment_date, $timezone );
$comment_author(строка) (обязательный)
Author of the comment.
$comment_date(строка) (обязательный)
Date of the comment.
Timezone. Accepts 'blog' or 'gmt'.
По умолчанию: 'blog'


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

Список изменений

С версии 2.0.0 Введена.
С версии 4.4.0 Added the $timezone parameter.

Код comment_exists() WP 6.4.1

function comment_exists( $comment_author, $comment_date, $timezone = 'blog' ) {
	global $wpdb;

	$date_field = 'comment_date';
	if ( 'gmt' === $timezone ) {
		$date_field = 'comment_date_gmt';

	return $wpdb->get_var(
			"SELECT comment_post_ID FROM $wpdb->comments
			WHERE comment_author = %s AND $date_field = %s",
			stripslashes( $comment_author ),
			stripslashes( $comment_date )