do_action_ref_array( ‘pre_ping’, string[] $post_links, string[] $pung, int $post_id )

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   Anonymous User 5 years ago

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   /**
    * Disables pingbacks from your own site.
    */
   add_action( 'pre_ping', function ( &$post_links, &$pung, int $post_ID ) {
   	foreach ( $post_links as $key => $link ) {
   		if ( 0 === strpos( $link, home_url() ) ) {
   			unset( $post_links[ $key ] );
   		}
   	}
   }, 10, 3 );