Online PHP editor | refs for SYctW

@ 2014-03-04T11:47:25Z

<?php

class Foo
{
    public $a = 1;
    public $b = 2;
}
class Bar
{
    public $ref;
}

$foo = new Foo();
$bar = new Bar();
$bar->ref =& $foo->a;

$bar->ref = '123';

var_dump($foo);