I've been maintaining a list of links related to the topics in the ZCE exam, these are all resources that I recommend or have had recommended to me - and I hope they'll be helpful for you too. If you're studying for ZCE and looking for extra help on a particular topic, hopefully you can find something below that will help!
(if you find any broken links, or have a resource that you think should be included, just let me know, I'm actively curating this collection)
- ZCE Preparation Pack
- PHP: PDO - Manual
- A Little More OOP in PHP | LornaJane
- PHP: SPL - Manual
- PHP: DOM - Manual
- PHP: SimpleXML - Manual
- XML and PHP 5 | Zend Developer Zone
- PHP: Countable - Manual
- PHP 5.3 : Practical look into Lambda functions and closures | Shameer C
- Code Bright : The Primers
- 9 Magic Methods in PHP | LornaJane
- Simple Regular Expressions by Example | LornaJane
- ArrayAccess vs ArrayObject | LornaJane
- XPath Syntax
- Tips for PHP Date and Time Functions | techPortal
- Streams, Sockets and Filters Oh My!
- PHP Design Patterns - FluffyCat.com
- The no-framework PHP MVC framework - Rasmus' Toys Page
- A Quick Overview of the XML DOM Extension in PHP 5 in PHP
- Matthew Turland » Blog Archive » New SPL Features in PHP 5.3
- The Standard PHP Library (SPL)
- PHP: Description of core php.ini directives - Manual
- How to Use PHP Namespaces, Part 1: The Basics » SitePoint
- PHP: Passing by Reference - Manual
- Regular Expressions Cheat Sheet (V2) - Added Bytes by Dave Child
- Number System Primer - LornaJane
- PHP: Operators - Manual
- phpDocumentor: The complete documentation solution for PHP
- MySQL :: MySQL 5.0 Reference Manual :: 12.8.2 EXPLAIN Syntax
- xkcd: Exploits of a Mom
- Introducing SimpleXML in PHP 5 in PHP
- PHP: HTTP authentication with PHP - Manual
- Basic access authentication - Wikipedia, the free encyclopedia
- W3Fools: A W3Schools Intervention
- HTML Forms and Input
- Online Regex Tester
- Cooperative multitasking using coroutines in PHP - nikic
Looking for more help? Try my Zend Certification Preparation Pack! </marketing pitch>