Online PHP editor | refs for bM3Mv

@ 2013-08-08T22:54:47Z

<?php

$foo = array();
$a = 'a';

var_dump(isset($foo[$a]));
var_dump(isset($foo[$a]['b']));
var_dump(isset($foo[$a]->bar['b']));
var_dump(isset($bar[$a]));
var_dump(isset($bar[$a]['b']));