WordPress Version: 6.1
/**
* Sends pings to all of the ping site services.
*
* @since 1.2.0
*
* @param int $post_id Post ID.
* @return int Same post ID as provided.
*/
function generic_ping($post_id = 0)
{
$services = get_option('ping_sites');
$services = explode("\n", $services);
foreach ((array) $services as $service) {
$service = trim($service);
if ('' !== $service) {
weblog_ping($service);
}
}
return $post_id;
}