public function callcheckPlatform() { include_once ENGINE_PATH . 'class/classProducts.php'; include_once ENGINE_PATH . 'class/classPurchase.php'; $products = new Products(); $platforms = $products->getProductsPlatforms($_POST['productId']); $purchase = new Purchase(); $purchase->init($_POST['productId']); $os = $purchase->checkOS($_SERVER['HTTP_USER_AGENT']); $countplatform = count($platforms); for ($i = 0; $i < $countplatform; $i++) { if (stristr($platforms[$i]['os_value'], $os)) { return 1; } } return 0; }