Re: form validation code

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On 30 June 2010 14:23, Daniel P. Brown <daniel.brown@xxxxxxxxxxxx> wrote:
>    (Hint: isset != empty)

More importantly ...

isset != !empty

$a = Null;
$b = '';
// $c = undefined;
$d = 'Hello';

isset($a) = False vs True  = empty($a)
isset($b) = True  vs True  = empty($b)
isset($c) = False vs True  = empty($c)
isset($d) = True  vs False = empty($d)



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