Online PHP editor | refs for tVCpc

@ 2013-07-04T10:14:54Z

<?php


$a = array(

'one' => 1,
'two' => 2,
'three' => '0',
'four' => null

);

var_dump(isset($a['three']));
var_dump(empty($a['three']));

var_dump(isset($a['four']));
var_dump(isset($a['empty']));