Zend PHP Certification Study Guide

Foreword

PHP has grown a lot since its inception in 1997. PHP 4, released in May 2000, gained popularity and is already installed on more than a quarter of the Internet Web servers in the world—more than any other Web platform in existence as of mid-2003. Top-notch performance, the availability of good development tools such as the Zend Studio, and the explosive growth in availability of extension support for any third-party library or information store you can imagine have helped PHP become the best platform for developing and deploying Web applications.

With each passing month, it is becoming even more difficult to call PHP the “hidden gem of the Web.” It is still a gem all right, but hidden? No longer. High profile companies, such as Lufthansa, ...