3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public static function foo() { return 'A::foo'; } public function NOToverridden() { echo self::foo(); } public function overridden() { echo static::foo(); } } class B extends A { public static function foo() { return 'B::foo'; } } (new B())->NOToverridden(); echo PHP_EOL; (new B())->overridden();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
A::foo B::foo
preferences:
113.45 ms | 1962 KiB | 4 Q