title: php simplexml_load_file() with password protected url
body: <p>Simple question for the one who knows the answer...</p>
  
  <pre><code>$xml = simplexml_load_file("http://url/path/file.xml");
  </code></pre>
  
  <p>This url is <code>.htaccess</code> protected, how can I pass the login/password as arguments to the function?</p>