3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php abstract class Test { abstract public static function testing(); }
based on HLkWH
Output for 7.0.0 - 7.2.0
Output for 5.3.22 - 5.6.28
Strict Standards: Static function Test::testing() should not be abstract in /in/T9Ypp on line 5