nexcess / magento-turpentine

     */

    public function flushUrl($subPattern) {

        $result = array();

        foreach (Mage::helper('turpentine/varnish')->getSockets() as $socket) {

            $socketName = $socket->getConnectionString();

            try {

                // We don't use "ban_url" here, because we want to do lurker friendly bans.

                // Lurker friendly bans get cleaned up, so they don't slow down Varnish.

                $socket->ban('obj.http.X-Varnish-URL', '~', $subPattern);

            } catch (Mage_Core_Exception $e) {

                $result[$socketName] = $e->getMessage();

                continue;

            }

            $result[$socketName] = true;

        }

        return $result;

    }

    public function flushExpression() {

        $args = func_get_args();

        $result = array();

        foreach (Mage::helper('turpentine/varnish')->getSockets() as $socket) {

            $socketName = $socket->getConnectionString();

            try {

                call_user_func_array(array($socket, 'ban'), $args);

            } catch (Mage_Core_Exception $e) {

                $result[$socketName] = $e->getMessage();

                continue;

            }

            $result[$socketName] = true;

        }

        return $result;

    }