Re: Re: combine empty and trim
| From: | Richard Lynch | Date: | Mon, 26 Mar 2007 20:15:32 +0000 |
| Subject: | Re: Re: combine empty and trim | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-251416@lists.php.net to get a copy of this message | ||
On Mon, March 26, 2007 10:50 am, Richard Davey wrote:
> Tim wrote:
>
>> Ross schrieb:
>>> I want to trim any whitepace and check if it is empty in the same
>>> line this is not working.
>>>
>>> if (empty(trim($_POST['_createcategory']))) {
>> Hi,
>>
>> try this:
>>
>> if (isset($_POST['_createcategory']))
>> {
>> $value = trim($_POST['_createcategory']);
>> if (empty($value))
>> {
>
> Be very careful with empty(). It doesn't do exactly what it says on
> the
> tin. For example if your _createcategory POST value contained a zero,
> the empty() check will fail in the above instance, giving a false
> result.
Unless you are using a different version of PHP where it did something
different...
http://php.net/empty
I have never figured out why people keep using empty() and why its
behaviour keeps changing around...
[shrug]
--
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