3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $a; private $b = 2; private $c = 3; public function __construct() { $this->a = function(){ echo $this->c; }; } } $foo = new Foo(); var_dump($foo); //$foo->a();

preferences:
41.62 ms | 402 KiB | 5 Q