[thelist] php: problem with variable

Chris Blessing webguy at mail.rit.edu
Wed Jan 23 12:45:26 CST 2002


Actually I've found that PHP will return a false in that case, I'm not sure
why.  If the variable is undefined and you test it for a value, it will
still return false.  Give it a shot and see what happens...

Chris Blessing
webguy at mail.rit.edu
http://www.330i.net

> -----Original Message-----
> From: thelist-admin at lists.evolt.org
> [mailto:thelist-admin at lists.evolt.org]On Behalf Of Michael Galvin
> Sent: Wednesday, January 23, 2002 1:43 PM
> To: thelist at lists.evolt.org
> Subject: Re: [thelist] php: problem with variable
>
>
> Um... wouldn't that just be the same issue?  $submit won't exist in this
> file until I press the submit button on the form.  So the first time the
> file runs, $submit won't exist, and I'll get undefined variable again.
>
> ----- Original Message -----
> From: "Chris Blessing" <webguy at mail.rit.edu>
> To: <thelist at lists.evolt.org>
> Sent: Wednesday, January 23, 2002 6:40 PM
> Subject: RE: [thelist] php: problem with variable
>
>
> | Instead of checking for the existance of $submit, why not check
> to see if
> | the value is there?
> |
> | if($submit != ""){
> | // process form
> | ...
> | }else{
> | // display form
> | ...
> | }
> |
> | Regarding php.ini changes, I believe a PWS restart is all that is
> necessary.
> | It should reload everything.
> |
> | Chris Blessing
> | webguy at mail.rit.edu
> | http://www.330i.net
> |
> | > -----Original Message-----
> | > From: thelist-admin at lists.evolt.org
> | > [mailto:thelist-admin at lists.evolt.org]On Behalf Of Michael Galvin
> | > Sent: Wednesday, January 23, 2002 1:35 PM
> | > To: thelist at lists.evolt.org
> | > Subject: Re: [thelist] php: problem with variable
> | >
> | >
> | > Basically, the php file is checking the 'existance' of $submit.  If it
> | > doesn't exist, it assumes that the user hasn't 'submitted'
> | > anything yet, and
> | > shows the form.  If it does, then it does the actual processing
> | > of the form.
> |
> | > BTW, quick question: if I make a change to the .ini file in
> | > Win98/PWS, can I
> | > just restart PWS, or is there more I have to do?
> | >
> | > Michael
> | > http://lists.evolt.org Workers of the Web, evolt !
> |
> |
> | --
> | For unsubscribe and other options, including
> | the Tip Harvester and archive of TheList go to:
> | http://lists.evolt.org Workers of the Web, evolt !
> |
> |
>
>
> --
> For unsubscribe and other options, including
> the Tip Harvester and archive of TheList go to:
> http://lists.evolt.org Workers of the Web, evolt !





More information about the thelist mailing list