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@ 2014-05-28T13:59:32Z

<?php

class A {

    public $b;
}

$a = new A();

$map = array($a);

$obj = $map[0];
var_dump(obj->b);

$a->b = '100';

//var_dump($map[0]->b);
$obj = $map[0];
var_dump(obj->b);

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

31.41 ms | 402 KiB | 5 Q