wat.php

<?php

declare(strict_types=1);

class clazz{
	public $var1 = "value1";
	protected $var2 = "value2";
	private $var3 = "value3";
}

$array = ((array) new clazz);
var_dump($array["var1"]); //public
var_dump($array["\0*\0var2"]); //protected
var_dump($array["\0" . clazz::class . "\0var3"]); //private