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Introduction to PHP Extensions

Talk video

Talk presentation

In this presentation, we take a first look at writing PHP extensions. Using step-by-step examples, we'll take a function written in PHP and convert them into a loadable extension using C. We'll then test both versions and compare the results. After seeing the size and scope of the benefits that can be realized with only a few minor changes, you'll want to try it out for yourself. You'll also understand why we start with simple things, and not try to rewrite all of Symfony in C.

Bullets:

  • what PHP extensions are, and which different types there are;
  • why you might want to write a PHP extension;
  • how you write your first PHP extension, with practical tips and tricks.
Derick Rethans
Author of Xdebug
  • He has contributed to the PHP project in numerous forms (Date/Time Extension, Xdebug, PHP 4.4/7.4 Release Manager, etc)
  • He is 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
  • Derick is also the host of the weekly-ish PHP Internals News podcast
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