Become Zend Certified

Prepare for the ZCE exam using our quizzes (web or iPad/iPhone). More info...

When you're ready get 7.5% off your exam voucher using voucher CJQNOV23 at the Zend Store


PHP version 5.1.0 or greater.

The included gengraph.php file utilizes the » graphviz library, however, this is not required.

PHP Manual