wp_maybe_disable_trackback_for_environment() │ WP 7.1.0

Rejects incoming trackbacks in non-production environments.

Hooked to pre_trackback_post fires in wp-trackback.php before the trackback is processed. Calls trackback_response() sends an XML error response and terminates the request.

No Hooks.

Returns

null. Nothing (null).

Usage

wp_maybe_disable_trackback_for_environment();

Changelog

Since 7.1.0 Introduced.

wp_maybe_disable_trackback_for_environment() code WP 7.1

wp-includes/comment.php 
function wp_maybe_disable_trackback_for_environment() {
	if ( wp_should_disable_pings_for_environment() ) {
		trackback_response( 1, __( 'Trackbacks are disabled in non-production environments.' ) );
	}
}