function checkGmail($username, $password)
  {
 $url = "https://mail.google.com/mail/feed/atom";

 $curl = curl_init();
 curl_setopt($curl, CURLOPT_URL, $url);
 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 curl_setopt($curl, CURLOPT_USERPWD, $username . ":" . $password);
 curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
 curl_setopt($curl, CURLOPT_ENCODING, "");
 $mailData = curl_exec($curl);
 curl_close($curl);

 return $mailData;
 }

 header('Content-Type:text/xml; charset=UTF-8');
 $feed = checkGmail("gmail", "password");
 echo $feed;