3v4l.org

run code in 300+ PHP versions simultaneously
<?php x = 1; a = 5; if(x xor a) { echo "Xor available."; } else { echo "Unavailable."; } ?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '=' in /in/oKeaB on line 3
Process exited with code 255.
preferences:
182.62 ms | 1395 KiB | 53 Q