3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { static function foo() {} } $callback = 'Foo::foo'; $callback();
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Fatal error: Constructor Foo::foo() cannot be static in /in/4jqPX on line 5
Process exited with code 255.
preferences:
87.3 ms | 402 KiB | 86 Q