Online PHP editor | refs for fn2YM

@ 2014-08-15T09:57:28Z

<?php
$a = array(
 '' => 'foo',
 'foo' => '',
 null,
 array(),
 1,
 true,
 false,
);

$k = 'no'; $v = 'exist';
    echo "$k => $v\n";
	var_dump(!empty($a[$k]));
	var_dump(isset($a[$k]) && $a[$k]);