php - Uploading video from website backend to YouTube -

i doing site in cakephp users can upload videos , published on site once approved moderator. currently, accepting video files being uploaded on server. these files downloaded , checked moderator , if seem fine moderator click button upload video youtube , save link in database.

now, using clientlogin authenticate youtube , trying upload video using zend gdata libraries. there not documentation available on , not getting error back, not working:

require_once 'zend/loader.php'; zend_loader::loadclass('zend_gdata_youtube'); zend_loader::loadclass('zend_gdata_clientlogin'); zend_loader::loadclass('zend_gdata_app_exception'); zend_loader::loadclass('zend_gdata_app_authexception'); zend_loader::loadclass('zend_gdata_app_httpexception'); zend_loader::loadclass('zend_gdata_youtube_videoentry');  // define variables $email = 'myemail@gmail.com'; $passwd = 'pass'; $applicationid = 'company-app-1.0'; $developerkey = 'ai39si5ggdqnx588udunxgzl6i_uw32dr43fvh0ehf2jqn3cbik5pizhog1-ag_q8eavlwnixp7fls3uw5ofg45mzaxmw4xyafw';  // creating clientlogin authenticated http client try {     $client = zend_gdata_clientlogin::gethttpclient($email, $passwd, 'cl'); } catch (zend_gdata_app_captcharequiredexception $cre) {     echo 'url of captcha image: ' . $cre->getcaptchaurl() . "\n";     echo 'token id: ' . $cre->getcaptchatoken() . "\n"; } catch (zend_gdata_app_authexception $ae) {     echo 'problem authenticating: ' . $ae->exception() . "\n"; }  // passing developer key , clientid zend_gdata_youtube $yt = new zend_gdata_youtube($client, $applicationid, null, $developerkey);   // uploading video  $myvideoentry = new zend_gdata_youtube_videoentry(); $filesource = $yt->newmediafilesource('001.mov'); $filesource->setcontenttype('video/quicktime'); $filesource->setslug('001.mov'); $myvideoentry->setmediasource($filesource); $myvideoentry->setvideotitle('my test movie'); $myvideoentry->setvideodescription('my test movie');  // note category must valid youtube category ! $myvideoentry->setvideocategory('comedy');  // set keywords, note must comma separated string // , each keyword cannot contain whitespace $myvideoentry->setvideotags('baby, funny');  // optionally set developer tags /* $myvideoentry->setvideodevelopertags(array('mydevelopertag', 'anotherdevelopertag')); */  // set video private $myvideoentry->setvideoprivate();  // upload uri authenticated user  $uploadurl = 'http://uploads.gdata.youtube.com/feeds/app/default/uploads';   // try upload video, catching zend_gdata_app_httpexception // if availableor regular zend_gdata_app_exception try {     $newentry = $yt->insertentry($myvideoentry, $uploadurl, 'zend_gdata_youtube_videoentry'); } catch (zend_gdata_app_httpexception $httpexception) {     echo $httpexception->getrawresponsebody(); } catch (zend_gdata_app_exception $e) {     echo $e->getmessage(); }  try {     $control = $videoentry->getcontrol(); } catch (zend_gdata_app_exception $e) {     echo $e->getmessage(); }  if ($control instanceof zend_gdata_app_extension_control) {     if ($control->getdraft() != null && $control->getdraft()->gettext() == 'yes') {         $state = $videoentry->getvideostate();         if ($state instanceof zend_gdata_youtube_extension_state) {             print 'upload status: ' . $state->getname() .' '. $state->gettext();         } else {             print 'not able retrieve video status information' .' yet. ' . "please try again shortly.\n";         }     } } 

apparently, giving me blank screen on localserver working fine on live server. had not changed default in uploadurl username.