<?php
/**
 * Disable self pingbacks.
 *
 * @package OvanapAdminToolkit
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

return array(
	'key'      => 'disable_self_pingbacks',
	'title'    => 'Disable self-pingbacks',
	'desc'     => 'Stop WordPress sending pingbacks to its own posts',
	'icon'     => 'x',
	'help'     => 'When a post links to another post on your own site, WordPress sends a pingback to itself, which can add a pingback comment to your own post. This removes links to your own site from the list of links to ping. Pingbacks to other sites are still sent.',
	'before'   => 'Linking to your own post sends a pingback to your own site',
	'after'    => 'Internal links work as before; no pingbacks to your own site.',
	'benefit'  => 'Stops pingbacks from your own site showing up on your posts, and saves the requests WordPress makes to itself to send them.',
	'level'    => 'standard',
	'audience' => 'everyone',
	'priority' => 6,
	'callback' => function () {
		add_action(
			'pre_ping',
			function ( &$links ) {
				$home = home_url();
				foreach ( $links as $i => $link ) {
					if ( strpos( $link, $home ) === 0 ) {
						unset( $links[ $i ] );
					}
				}
			}
		);
	},
);