comment_notification_subject │ filter-hook │ WP 1.5.2

Filters the comment notification email subject.

Usage

add_filter( 'comment_notification_subject', 'wp_kama_comment_notification_subject_filter', 10, 2 );

/**
 * Function for `comment_notification_subject` filter-hook.
 * 
 * @param string $subject    The comment notification email subject.
 * @param string $comment_id Comment ID as a numeric string.
 *
 * @return string
 */
function wp_kama_comment_notification_subject_filter( $subject, $comment_id ){

	// filter...
	return $subject;
}

$subject(string)

The comment notification email subject.

$comment_id(string)

Comment ID as a numeric string.

Changelog

Where the hook is called

$subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID );

Where the hook is used in WordPress