Re: isset()
| From: | (Chris Adams) | Date: | Sun, 25 Feb 2001 18:50:15 +0000 |
| Subject: | Re: isset() | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-41598@lists.php.net to get a copy of this message | ||
On 25 Feb 2001 00:01:30 -0800, Mark Maggelet <maggelet@mminternet.com> wrote:
>On Sat, 24 Feb 2001 17:51:07 +0100, Christian Reiniger
>(creinig@mayn.de) wrote:
>>On Saturday 24 February 2001 17:18, PHPBeginner.com wrote:
>>> in my preceding email I've written:
>>>
>>> if($var!='')
>>>
>>> will fix your all your worries without an intervention of a
>strings
>>> function.
>>
>>Except that it will throw a warning in PHP4 if $var is not set.
>>=> isset () should be used.
>
>man, this is like the thread that will not die. isset() will return
>true for an empty string, which is not what he wants. the right thing
>to do is use
>
>if((isset($var))&&($var!=""))
Isn't this a bit more legible:
if (!empty($var))