Many people think 'Zend' is the latest trend in PHP. They also think the popular PHP library out there is called Zend.
These notions are absolutely wrong. Before you start working with Zend Framework, get to know the facts.
Zend is a company that has several products - Zend engine, Zend Studio, et all. Zend develops a PHP library with community contributions. This library or framework is known as the Zend Framework.
If you find yourself saying something like , "I tried Zend and I didn't like it, so I use Cake", it is high time you read more about these: