3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $a = null; $a[1];
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.26
Parse error: syntax error, unexpected '<' in /in/0XSv5 on line 2
Process exited with code 255.
preferences:
197.31 ms | 1395 KiB | 63 Q