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@ 2013-10-14T19:23:27Z

<?php

class A {

	public $foo = 'bar';

}


function doSomething($prop)
{
	\strtoupper($prop);
}

function doSomethingRef(&$prop)
{
	\strtoupper($prop);
}

$a = new A();
$foo =& $a->foo;

doSomething($foo);
doSomethingRef($foo);

var_dump($a);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
strtoupper: documentation ( source)

preferences:dark modelive preview

37.24 ms | 402 KiB | 5 Q