3v4l.org

run code in 300+ PHP versions simultaneously
<?php 'f' ^ 'f'
Output for 5.6.0 - 5.6.25, 7.0.0 - 7.0.10
Parse error: syntax error, unexpected end of file in /in/9KJ3t on line 3
Process exited with code 255.
preferences:
179.77 ms | 1395 KiB | 44 Q