" . esc_html( self::$_signupUrl ) . ""); } $this->config = array( 'client-key' => $site_key, 'secret-key' => $secret_key ); } public function verifyResponse($recaptcha){ $remoteIp = $this->getIPAddress(); // Discard empty solution submissions if (empty($recaptcha)) { return array( 'success' => false, 'error-codes' => 'missing-input', ); } $getResponse = $this->getHTTP( array( 'secret' => $this->config['secret-key'], 'remoteip' => $remoteIp, 'response' => $recaptcha, ) ); // get reCAPTCHA server response $responses = json_decode($getResponse, true); if (isset($responses['success']) and $responses['success'] == true) { $status = true; } else { $status = false; $error = (isset($responses['error-codes'])) ? $responses['error-codes'] : 'invalid-input-response'; } return array( 'success' => $status, 'error-codes' => (isset($error)) ? $error : null, ); } private function getIPAddress(){ if (!empty($_SERVER['HTTP_CLIENT_IP'])) { $ip = $_SERVER['HTTP_CLIENT_IP']; } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; } else { $ip = $_SERVER['REMOTE_ADDR']; } return $ip; } private function getHTTP($data){ $url = 'https://www.google.com/recaptcha/api/siteverify?'.http_build_query($data); $response = file_get_contents($url); return $response; } }