How PHP Executes – from Source Code to Render
PHP
By Thomas Punt,
Thomas Punt goes through the four stages of PHP execution - from lexing to compilation and optimization. Here's what you make happen, daily!
opcache
Caching Hat-trick: Zend Opcache, Etags and Query Caching
PHP
By Wern Ancheta,
Wern Ancheta covers three common approaches to caching in PHP: Zend Opcache, Query Caching and Expires Headers.
Understanding OpCache
PHP
By Jacek Barecki,
Jacek Barecki answers some common questions you might have about OpCache - the bytecode cache that's included by default in PHP 5.5 and above