apply_filters( 'comment_moderation_headers', string $message_headers, int $comment_id )

2067		 *2068		 * @since 2.8.02069		 *2070		 * @param string $message_headers Headers for the comment moderation email.2071		 * @param int    $comment_id      Comment ID.2072		 */2073		$message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id );2074 2075		foreach ( $emails as $email ) {2076			$user = get_user_by( 'email', $email );2077 2078			if ( $user ) {2079				$switched_locale = switch_to_user_locale( $user->ID );