{ $handle = curl_init($url); curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE); $response = curl_exec($handle); $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE); if ($httpCode == 404) { return false; } else { return true; } curl_close($handle); } } //Creating instance of class Request when query is submitted if (isset($_POST['q'])) { //Sometime Javascript wont work for default page 1 so setting 1 if its not set if ($_POST['p'] == '' || $_POST['p'] == 1) { $_POST['p'] = false; } if (!isset($_POST['sort'])) { $_POST['sort'] = false; } //Creating Class instance in Object $object = new Request(); $object->GetData($_POST['q'], $_POST['p'], $api_key, $_POST['sort']); } //Creating instance of class Amazon when buy button is submitted if (isset($_POST['isbn'])) { $newLink = new AmazonLink(); $newLink->GetAmazonLink($_POST['isbn'], $amazon_id); }