3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace A { // class xBefore {} } namespace A { use y as xAfter; use y as xBefore; class y {} } namespace A { class xAfter {} }
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
preferences:
56.13 ms | 845 KiB | 4 Q