public function execute() { $code = waRequest::post('code', '', waRequest::TYPE_STRING_TRIM); if (!$code) { $this->errors[] = _w("Unknown currency"); return; } $currency_model = new shopCurrencyModel(); if (!$currency_model->setPrimaryCurrency($code, (bool) waRequest::post('convert'))) { $this->errors[] = _w("Error when change"); return; } }