17. WordPress Requirements WordPress XAMPP PC OSX Version 3.1 3.2 1.7.7 1.7.3 PHP 4.3 5.2.4+ 5.3.8 5.3.1 MySQL 4.1.2 5.0+ 5.5.16 5.1.44 Optionally, you may also need mod_rewrite and email capabilities, depending on how you want to configure your installation, or what plugins you want to test.