3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class false {} }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
preferences:
204.49 ms | 1395 KiB | 110 Q