Php Curl Çalışmıyor

$app = curl_init();
       curl_setopt_array($app , [
            CURLOPT_URL => "https://google.com",
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_AUTOREFERER => true,
            CURLOPT_RETURNTRANSFER =>   true,
            CURLOPT_SSL_VERIFYHOST =>   false,
            CURLOPT_SSL_VERIFYPEER =>   false,
            CURLOPT_PROXYTYPE => CURLPROXY_SOCKS5,
            CURLOPT_PROXY => $IP,
            CURLOPT_PROXYPORT =>$PORT,
            CURLOPT_PROXYUSERPWD => "USER:PASS"
        ]);
        $response_5 = curl_exec($app);
        curl_close($app);