Online PHP editor | refs for 3mARV

@ 2014-09-18T11:47:02Z

<?php

function setifexists(&$var, $default = null) {
    if (!isset($var)) {
        $var = $default;
	}
}

setifexists($nonsense, true);
var_dump($nonsense);

$me = false;
setifexists($me, true);
var_dump($me);