Re: testing if var is empty
| From: | Saquib Farooq | Date: | Sat, 21 Jul 2001 09:50:41 +0000 |
| Subject: | Re: testing if var is empty | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-59008@lists.php.net to get a copy of this message | ||
On Sat, 21 Jul 2001, Dave Freeman wrote:
> On 21 Jul 01, at 12:07, Justin French wrote:
>
> > I'm a semi-newbie, and if I want to check if a variable is set, or
> > contains something, i've been doing it like this:
> >
> > if($var != "") { ... }
>
> if ($var)
> {
> // $var has been set
> } else {
> // $var has not been set
> }
>
>
> will do what you want.
>
> CYA, Dave
what if the var is set to zero i.e. false. the control will go in
the else part if it is not zero ( not false) it will go in the if control.
>
>
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>
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