SQL Injection Cheat Sheet : Samples are provided to allow reader to get basic idea of a potential SQL Injection attack and almost every section includes a brief information about...
The PHP Coding Standards Fixer : The PHP Coding Standards Fixer tool fixes most issues in your code when you want to follow the PHP coding standards as defined in the PSR-1 and PSR-2 ...
PrePostPrint : PrePostPrint highlights experimental publications made with free software.
churn-php : churn-php is a package that helps you identify php files in your project that could be good candidates for refactoring.
Reverse Interview : Questions to ask the company during your interview. This is a list of questions which may be interesting to a tech job applicant.
This is a collection of known design patterns and some sample code how to implement them in PHP. Every pattern has a small list of examples (most of them from Zend Framework, Symfony2 or Doctrine2 as I'm most familiar with this software).