3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private function __construct() { throw new Exception('thrown'); } public function A() { return array('a', 'b', 'c'); } public static function I() { return new A(); } } class B extends A { public function __construct() { } } var_dump((new B())->A()[1]);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(1) "b"

preferences:
161.36 ms | 404 KiB | 210 Q