3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; <?= !$i ?> $i = 1; <?= !$i ?>
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '<' in /in/3CLiP on line 6
Process exited with code 255.
preferences:
175.92 ms | 1399 KiB | 67 Q