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@ 2013-11-11T09:40:51Z

<?php

$var = 1;
function &retRef() {
    global $var;
    return $var;
}

$x = retRef();
$x = 2;

var_dump($var, $x);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

37.37 ms | 402 KiB | 5 Q