3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static $elements = []; public function getElements() { return self::$elements; } } // let's create an instance of A $a = new A; $a::$elements['first_key'] = 'defined'; A::$elements['direct_instance_key'] = 'defined_too'; var_dump($a->getElements(), A::$elements); $b = new A; var_dump($b->getElements());

preferences:
44.28 ms | 402 KiB | 5 Q