3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct() { } public static function init() { $instance = new static(); $instance->doStuff(); } protected function doStuff() { echo get_class($this); } } class B extends A { } B::init();
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
B

preferences:
63.65 ms | 407 KiB | 5 Q