regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
DesignPatternsPHP : 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 t...
Mobile Web Application Best Practices : The goal of this document is to aid the development of rich and dynamic mobile Web applications. It collects the most relevant engineering practices, ...
