Processing form variables

[Anon]

I have a form with approximately 30 fields and thus have 30 separately named variables. Upon submit, I want to validate each variable.

I have done this before with PHP but wanted to know if there's a way to loop through all the returned variables first instead of having to name each of them in an IF/THEN statement.

I know on the JS side you can loop through form elements but I wasn't quite sure on the server side.

Any help is appreciated.

Thanks

Mark

[Anon]

PHP will store all post/get values in an array named $HTTP_POST_VARS/$HTTP_GET_VARS. And the array key is your variable name.

[Anon]

Ok I remember $HTTP_POST_VARS now.
How would I check to see if the value of any of the $HTTP_POST_VARS is "null" or nothing?

Thanks for your help

Mark

[Anon]

try the follow code:

while (list($key, $val) = each($HTTP_POST_VARS)) {
if (!$val) echo "Null"; // that means $$key is null
}