How do I get the PHP example to work?

How do I get the PHP example to work?

Trying to get this example to work: https://www.zoho.com/crm/help/api/examples.html#2._Fetch_Records_from_the

Followed these steps:

1. Added a lead

2. Generated a token from this page: https://crm.zoho.com/crm/ShowSetup.do?tab=developerSpace&subTab=api

3. Changed the following line to use the token:

$token="AUTHTOKEN";

All I get is a blank XML document, what am I doing wrong?