php curl_exec returns empty

Question

 $ch = curl_init();
 curl_setopt($ch, CURLOPT_URL, $url);
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 curl_setopt($ch, CURLOPT_PROXY, $proxy); // $proxy is ip of          


        

Answer 1

Try:

curl_setopt($ch, CURLOPT_TIMEOUT, 50);

Maybe the response is longer than 10.

I had the same issue, I solved like this.