Re: isset
| From: | Edward Vermillion | Date: | Mon, 16 Apr 2007 18:58:52 +0000 |
| Subject: | Re: isset | ||
| References: | 1 2 3 4 5 6 7 8 9 10 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-253049@lists.php.net to get a copy of this message | ||
On Apr 16, 2007, at 1:28 PM, Robert Cummings wrote:
On Mon, 2007-04-16 at 13:16 -0500, Edward Vermillion wrote:Strings containing spaces and 0's (and null), while technically not empty, may or may not have any meaning in your code outside of being empty or at least not interesting. That's why I qualified it with whether they have meaning in the code. I'll agree that it can cause problems if you're not paying attention, I've been bitten myself in the past by it. And those things can be hard to track down too. :P EdOn Apr 16, 2007, at 12:30 PM, Robert Cummings wrote: [snip]Strings only containing only spaces are not empty. Strings containing a 0 are empty. It's crap for almost any kind of validation routine. It's one of those useless, magical, shoot newbies in the toes functions. But then I guess to each their own :)Bleh, my mistake... I'm so adverse to empty() I forgot it doesn't generate notices.