Joseph Crawford has posted some of his thoughts on the mock testing that the folks over at php|architect are offering to help people prepare for Zend's PHP 5 Certification Exam.
So are you getting prepared to take the new PHP 5 Certification Exam offered by Zend? I have yet to see any books released for the preparation like i did with the PHP 4 exam, however there is something new and very cool. php|architect offers a Mock Tesing Environment which is powered by Vulcan Web Testing System.
Joseph talks about his experience, noting how he took the test and some of the topics that it covered. He definitely suggests taking it, too, as it provides a good glimpse into what you can expect come exam day.