What version of PHP are you running? PHP 5.4? PHP 5.5? PHP 5.3? Most of us lag behind the “new shiny”, but at some point you’ll face both the pain of the upgrade migration and the joy of the new features and performance improvements. Whether it’s your boss or your distro that holds you back, this session covers what to expect with each upgrade. You will find out about the excellent new features and how to use them, and also get practical, hands-on information about performing a successful upgrade.