3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { const Z = 9; define ('X', 0); } namespace B { const Z = 8; } namespace { const Z = 7; echo <; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '<' in /in/2DA3s on line 25
Process exited with code 255.
preferences:
183.45 ms | 1399 KiB | 60 Q