stuck on a peace of code (get vb username)

[ageurtse]

Why does the code below not work.

when i put

PHP Code:

echo 'start '. $vbcheck['userid'].' end <br>' 


outside the function and in the head part it works. but in the function i can't get it to work.

why is this not working, and how can i get it to work.

PHP Code:

<?php
  $curdir = getcwd ();
  chdir('C:/UsbWebserver/Root');
  require_once('C:/UsbWebserver/Root/global.php');
  chdir('C:/UsbWebserver/Root/chat');

  $vbcheck = $vbulletin->userinfo;
 ?> 
  
<?php

// Returns an array of user details, or false depending on whether user's cookies are valid.
function usercheck()
{
  echo 'start '. $vbcheck['userid'].' end <br>';
}
?>