Re: Validating form input data

stathis gotsis wrote:
Hello everyone,

I am tying to come up with an elegant way to process some input data that
come from a form. When the user hits the 'Submit' button, i want the form to
appear again with the already entered valid data filled in and prompt the
user to re-enter the non-valid data. If all data is valid, i will forward to
an other .php page which enters the data into a database.

I tried to do this in the following way: the form always hits back on
itself, but when all data is valid i use the PHP:header() to redirect to the
data.php that performs the database insertion. The problem is that the data
is not available to data.php in the $_POST variable. How can i overcome this
problem? Any other subtle way to handle the whole thing? Any help
appreciated.



Stathis,

I do things the same way you do - the page validates its own input and then uses header() to move to the next page. But before the header() call, I store the data in the $_SESSION variable.

I prefer validating the data in the same page that contains the data. It keeps the code together and, IMHO, cleaner. Plus, if it isn't needed in the next page, you don't even have to touch that page.

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JDS Computer Training Corp.
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