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@ 2017-07-11T22:09:16Z

<?php

function foo(&$foo) {
    var_dump($foo);
}

$bar = new StdClass;
$bar->foo = 'foo';
foo($bar);

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

39.73 ms | 402 KiB | 5 Q