Online PHP editor | refs for ejXTV

@ 2013-07-21T12:59:07Z

<?php
function func(&$val)
{
    return isset($val) ? $val : 123;
}

$a1 = array();
$val = func($a1['x']);
var_dump($val); // int(123)

$a2 = array('x' => 987);
$val = func($a2['x']);
var_dump($val); // int(987)