3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace K { class C { } } namespace { use K\C as int; class A{ public function int() { } } class_alias('s', 'b'); new int(); }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: Class 's' not found in /in/uc4UO on line 19
preferences:
185.54 ms | 1400 KiB | 79 Q