title: Why curl prints XML response?
body: <p>I'm using curl to do post request, for some reason it prints xml response, which is something that I don't want to happend. how can I get rid of this behaviour?</p>
  
  <pre><code>/**
  *   Send post request
  **/
  function post_request($sendHttpUrl, $data) {
  
      $ch = curl_init($sendHttpUrl);
      curl_setopt($ch, CURLOPT_POST, 1);
      curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: text/xml'));      
      curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
      curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);       
      $response = curl_exec($ch);
      curl_close($ch);
  
      return $response;
  }
  </code></pre>