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...
Fun Retrospectives : Activities and ideas for making agile retrospectives more engaging
Deploystack : Curated list of best tools for launching your website. Find how to get the best hosting, cheapest domain, files storage, monitoring and more.
Grav : Grav is a modern open source flat-file CMS written in PHP
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).