3v4l.org

run code in 300+ PHP versions simultaneously
<?php class self { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Fatal error: Cannot use 'self' as class name as it is reserved in /in/dDnQu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
preferences:
207.61 ms | 1395 KiB | 123 Q