Online PHP editor | refs for gPv9n

@ 2013-10-21T20:08:32Z

<?php

function retVal()
{
    global $foo;
    return $foo;
}

function & retRef()
{
    global $foo;
    return $foo;
}


$foo = 'init';
$bar = retRef();
$bar = 'bar';
var_dump($foo, $bar);