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@ 2014-03-13T17:43:58Z

<?php
function &g(&$v) {
    return $v;
}

$foo = null;
$name = 'foo';
var_dump(g($$name));
var_dump(array(g($$name)));

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

33.57 ms | 402 KiB | 5 Q