English session - Intermediate
PHP Scaling / Performance
The web is full of advice focussed on improving performance. Before you can
optimise however, you need to find out if your code is actually slow; then you
need to understand the code; and then you need to find out what you can
optimise.
This talk introduces various tools and concepts to optimise the optimisation
of your PHP applications.

Derick Rethans has contributed in a number of ways to the PHP project, including the Xdebug debugging tool, the mcrypt, date and input-filter extensions, bug fixes, additions and leading the QA team. He's a frequent lecturer at conferences, the author of php|architect's Guide to Date and Time Programming, and the co-author of PHP 5 Power Programming. Right now he is a free lancer doing PHP and PHP-Internals work. In his spare time he likes to travel, hike, ski and practise photography.