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run code in 300+ PHP versions simultaneously
<?php class A { const TEST = false; public function test() { var_dump(get_class($this), static::TEST, self::TEST); } } class B extends A { const TEST = true; public function test() { A::test(); parent::test(); } } $b = new B; $b->test();

preferences:
48.75 ms | 402 KiB | 5 Q