/**
 * Sends pings to all of the ping site services.
 *
 * @since 1.2.0
 *
 * @param int $post_id Post ID.
 * @return int Same as Post ID from parameter
 */
function generic_ping($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;
}

function generic_ping($post_id = 0) {
	$services = get_option('ping_sites');
	$services = preg_replace("|(\s)+|", '$1', $services); // Kill dupe lines
	$services = trim($services);
	if ( '' != $services ) {
		$services = explode("\n", $services);
		foreach ( (array) $services as $service )
			weblog_ping($service);
	}

	return $post_id;
}