title: PHP global keyword syntax error
body: <pre><code>1.  $d = unserialize(base64_decode($params['customfields']));
  2.  global $username = $d['Username'];
  3.  global $password = $d['Password'];
  </code></pre>
  
  <p>I get an error:</p>
  
  <blockquote>
    <p>Parse error: syntax error, unexpected '=', expecting ',' or ';' in
    line 2</p>
  </blockquote>
  
  <p>whats wrong with my code? the PHP version is the latest</p>