> -----Original Message-----
> Sent: 26 June 2003 20:22
> What I would like to do is somehow have a redundant error 
> check on the server
> side and then display an error message above the form on the 
> main page should
> fields be left blank or forbidden characters entered. Since I 
> have access to the
> $_POST['variables'] on the form processing page, I've already 
> written some code
> to detect the presence of error characters, etc...and no 
> query is performed if
> there is an error.  But how do I pass a "flag" variable back 
> to the main page to
> echo an appropriate message above the form?

One simple way:

   header("Location: http:/your.server.name/path/to/main_page.php?err=$errcode");

And then emit an error in main_page.php if $_GET['err'] is set.

If you're using sessions, another way would be to set an error variable in the session.



Mike Ford,  Electronic Information Services Adviser,
Learning Support Services, Learning & Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS,  LS6 3QS,  United Kingdom
Tel: +44 113 283 2600 extn 4730      Fax:  +44 113 283 3211 

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