3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { private static $a = 1; private static function a() {} public static function test() { var_dump(self::$a); var_dump(B::$a); var_dump(static::$a); } } class B extends A { protected static $a = 2; protected static function a() {} } class C extends B { public static $a = 3; public static function a() {} } C::test(); C::a();
Output for 8.1.32 - 8.1.34, 8.2.25 - 8.2.30, 8.3.5 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(1) int(2) int(3)

preferences:
52.67 ms | 696 KiB | 4 Q