3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1 < 2 < 3;
Output for 5.4.0 - 5.4.37
Parse error: syntax error, unexpected '<' in /in/UWDia on line 3
Process exited with code 255.
preferences:
147.95 ms | 1238 KiB | 6 Q