/multisite-no-self-ping.php Secret
Created
April 23, 2017 22:41
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<?php | |
/** | |
* Multisite No Self Ping | |
* | |
* @package MultisiteNoSelfPing | |
* @author Bernhard Kau | |
* @license GPLv3 | |
* | |
* @wordpress-plugin | |
* Plugin Name: Multisite No Self Ping | |
* Plugin URI: https://kau-boys.de | |
* Description: Disables self pings for all blogs on a multisite. | |
* Version: 0.1 | |
* Author: Bernhard Kau | |
* Author URI: https://kau-boys.de | |
* License: GPLv3 | |
* License URI: http://www.gnu.org/licenses/gpl-3.0.txt | |
*/ | |
/** | |
* Prevent pings to multisite links | |
* | |
* @param array $links The array of links to ping | |
*/ | |
function multisite_no_self_ping( &$links ) { | |
$sites = get_sites(); | |
$site_urls = array(); | |
foreach ( $sites as $site ) { | |
$site_urls[] = get_home_url( $site->blog_id ); | |
} | |
foreach ( $links as $key => $link ) { | |
foreach ( $site_urls as $site_url ) { | |
if ( 0 === strpos( $link, $site_url ) ) { | |
unset( $links[ $key ] ); | |
} | |
} | |
} | |
} | |
add_action( 'pre_ping', 'multisite_no_self_ping' ); |
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