php - curl getting header and cookie from one URL and posting to another URL to retrieve data -

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i'm trying retrieve json data url, requires http authorization (no password) cookie , header data need parent url.

i've managed retrieve header information integrating within post part of script having difficulty with.

function check_link($link) { $main = array(); $ch = curl_init(); curl_setopt ($ch, curlopt_url, $link); curl_setopt ($ch, curlopt_header, 1); curl_setopt ($ch, curlopt_nobody, 1); curl_setopt ($ch, curlopt_followlocation, 1); curl_setopt ($ch, curlopt_netrc, 1);  curl_setopt ($ch, curlopt_timeout, 300); curl_setopt ($ch, curlopt_useragent, "mozilla/4.0 (compatible; msie 5.01; windows nt    5.0)");  ob_start();    curl_exec ($ch);    $stuff = ob_get_contents(); ob_end_clean();  curl_close ($ch);  return $stuff;  }  $link = 'http://www.avis.fr/default.aspx'; //parent url $returndata = check_link($link); print_r($returndata); //header information  curl_setopt($ch2, curlopt_httpheader, array ($returndata));  $url2 = "http://www.avis.fr/webservices/locationsearch.asmx/getstations"; //     want post data curl_setopt($ch2, curlopt_url, $url2); curl_setopt($ch2, curlopt_post, true);  // tell curl want post curl_setopt($ch2, curlopt_postfields, "searchterm=ares&countryid=56&pickupdate=2014-04-    15 09:00&dropoffdate=2014-04-17 09:00&ispickup=true&returntosamelocation=true"); // define     want post curl_setopt($ch2, curlopt_returntransfer, true); // return output in string format $output = curl_exec ($ch2); // execute  var_dump($output); // show output


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