What Steps do you Take to Troubleshoot Problems with PHP cURL?

Question

Almost any working PHP programmer has faced having to use CURL to send raw HTTP requests, whether it\'s for credit card payment processing, nefarious screen scraping, or somethi

Answer 1

I find the CURLINFO_HEADER_OUT option to be very useful.

request headers
  
', htmlspecialchars(curl_getinfo($curl, CURLINFO_HEADER_OUT)), '
';

echo '
response
  
', htmlspecialchars(dbg_curl_data(null)), '
';

function dbg_curl_data($curl, $data=null) {
  static $buffer = '';

  if ( is_null($curl) ) {
    $r = $buffer;
    $buffer = '';
    return $r;
  }
  else {
    $buffer .= $data;
    return strlen($data);
  }
}