Re: default value of a variable
| From: | Evan Nemerson | Date: | Thu, 22 Aug 2002 16:06:05 +0000 |
| Subject: | Re: default value of a variable | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-113643@lists.php.net to get a copy of this message | ||
try
if ( isset($HTTP_POST_VARS['step']) )
{
$step = $HTTP_POST_VARS['step'];
{
else
{
$step = 1;
}
the "!" before isset basically makes it "is not set". Really all you have to
do is get rid of that.
On Thursday 22 August 2002 08:37 am, you wrote:
> Hey everyone...
> I'm fairly new to PHP, and this is my first post to the list. I've been
> developing on the web for about 6 years now with other languages, but need
> some help getting started with this one.
>
>
> 1) This isn't working unless the form is submitted...
>
> if (!isset($HTTP_POST_VARS['step'])) { $step=$HTTP_POST_VARS['step']; }
>
> I get the error: Notice: Undefined index
>
>
> I need to set Step=1 as default, but set Step=x when form is posted, where
> x is a value from the submitted form. This to control whether or not to
> show certain parts of the page.
>
>
>
> 2) Is there an easier/alternate way to default the value of a variable if
> it's not already set?
>
> Thanks in advance,
> Peter
>
>
>
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