3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare( strict_types=1 ); class x { public static function __set_state( array $a, self $o=null ) {} }
Output for 7.0.0 - 7.2.0
Output for 5.3.21 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/ENPXj on line 2