Online PHP editor | refs for 68J5B

@ 2013-09-22T06:57:52Z

<?php

function & do_something(& $arg)
{
    $arg = 'func value';
    return $arg;
}

$a = 'initial value';
$b = do_something($a);
$b = 'new value';
var_dump($a, $b);

$x = 'initial value';
$y = & do_something($x);
$y = 'new value';
var_dump($x, $y);