title: Run curl_multi_init() and reuse the cookie
body: <p><strong>Hello</strong>
  I wonna use curl_multi_init(), first to login to a website and grab that cookie, and then use it at the next site, still with curl_multi_init().</p>
  
  <p>i have been googling a while for this and tryed many different things. i got thise code now, but it aint using the cookie second time.</p>
  
  <pre><code>curl_setopt($login, CURLOPT_HEADER, 0);
  curl_setopt($login, CURLOPT_SSL_VERIFYPEER, FALSE); 
  curl_setopt($login, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.13 (KHTML, like Gecko) Chrome/24.0.1284.0 Safari/537.13"); 
  curl_setopt($login, CURLOPT_TIMEOUT, 60); 
  curl_setopt($login, CURLOPT_FOLLOWLOCATION, 1); 
  curl_setopt($login, CURLOPT_RETURNTRANSFER, TRUE); 
  curl_setopt($login, CURLOPT_COOKIEJAR, $cookieFile); 
  curl_setopt($login, CURLOPT_COOKIEFILE, $cookieFile); 
  curl_setopt($login, CURLOPT_REFERER, $loginURL); 
  curl_setopt ($login, CURLOPT_POSTFIELDS, $postData); 
  curl_setopt ($login, CURLOPT_POST, 1); 
  
  
  
  curl_setopt($getByDate, CURLOPT_SSL_VERIFYPEER, 0); 
  curl_setopt($getByDate, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.13 (KHTML, like Gecko) Chrome/24.0.1284.0 Safari/537.13"); 
  curl_setopt($getByDate, CURLOPT_TIMEOUT, 60); 
  curl_setopt($getByDate, CURLOPT_FOLLOWLOCATION, 0); 
  curl_setopt($getByDate, CURLOPT_RETURNTRANSFER, true); 
  curl_setopt($getByDate, CURLOPT_BINARYTRANSFER, true);
  curl_setopt($getByDate, CURLOPT_COOKIEJAR, $cookieFile); 
  curl_setopt($getByDate, CURLOPT_COOKIEFILE, $cookieFile); 
  curl_setopt($getByDate, CURLOPT_REFERER, "https://www.elevplan.dk/Moduler/Elevforside/Elevforside.aspx"); 
  
  
  //create the multiple cURL handle
  $mh = curl_multi_init();
  
  //add the two handles
  curl_multi_add_handle($mh,$login);
  curl_multi_add_handle($mh,$getByDate);
  
  $running = null;
      do {
          curl_multi_exec($mh, $running);
      } while ($running);
  </code></pre>