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@ 2014-03-21T14:42:56Z

<?php
class foo {
    var $bar = 0;
}

$f = new foo();
$g = $f;

$f->bar++;
var_dump($g->bar);

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

32.59 ms | 402 KiB | 5 Q