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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
shuyalinet

preferences:
63.18 ms | 979 KiB | 4 Q