comment_notification_headers filter-hookWP 1.5.2

Filters the comment notification email headers.

Usage

add_filter( 'comment_notification_headers', 'wp_kama_comment_notification_headers_filter', 10, 2 );

/**
 * Function for `comment_notification_headers` filter-hook.
 * 
 * @param string $message_headers Headers for the comment notification email.
 * @param string $comment_id      Comment ID as a numeric string.
 *
 * @return string
 */
function wp_kama_comment_notification_headers_filter( $message_headers, $comment_id ){

	// filter...
	return $message_headers;
}
$message_headers(string)
Headers for the comment notification email.
$comment_id(string)
Comment ID as a numeric string.

Changelog

Since 1.5.2 Introduced.

Where the hook is called

wp_notify_postauthor()
comment_notification_headers
wp-includes/pluggable.php 1831
$message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );

Where the hook is used in WordPress

Usage not found.