title: POST request with Basic Authentication from Appengine in PHP
body: <p>How to send a POST request with Basic Authentication from Appengine in PHP? 
  I already checked <a href="https://stackoverflow.com/questions/1198756/issue-form-post-request-from-php-using-http-basic-authentication">Issue FORM POST Request From PHP using HTTP Basic Authentication</a> but solution is not working in Appengine environment.</p>
  
  <p>Please suggest any workaround. Thanks.</p>