3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected const TEST = 'test'; public static function echoConst(): void { echo static::TEST; } } class Bar extends Foo { protected const TEST = 'shuyalinet'; } Bar::echoConst();
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
shuyalinet

preferences:
72.08 ms | 406 KiB | 5 Q