public function apc_bin_dump(array $files = null, $user_vars = null)
    {
        $code = new Code();
        $code->addStatement(sprintf(
            'return apc_bin_dump(%s, %s);',
            var_export($files, true),
            var_export($user_vars, true)
        ));

        return $this->adapter->run($code);
    }