Re: form validation code
| From: | Richard Quadling | Date: | Wed, 30 Jun 2010 13:35:49 +0000 |
| Subject: | Re: form validation code | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-306564@lists.php.net to get a copy of this message | ||
On 30 June 2010 14:23, Daniel P. Brown <daniel.brown@parasane.net> 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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Richard Quadling
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