3v4l.org

run code in 300+ PHP versions simultaneously
<?php x = 1 x = 5 if(x xor x) { 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/XadA2 on line 2
Process exited with code 255.
preferences:
184.95 ms | 1399 KiB | 53 Q