3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; class Biz {} use Bar\Biz;
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19, 5.5.0 - 5.5.3
Fatal error: Cannot use Bar\Biz as Biz because the name is already in use in /in/UFbCS on line 7
Process exited with code 255.
preferences:
175.88 ms | 1395 KiB | 59 Q