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Posted by Alvaro G Vicario on 05/23/05 12:42
*** Ashok wrote/escribió (Mon, 23 May 2005 13:36:08 +0400):
> What I am doing wrong in the script ( $_POST['helper1_pos'] gets value from
> the form). It shows error even if the cell is empty.
>
> if (!is_null($_POST['helper1_pos'])) {
> echo "Sorry! Helper 1 position already volunteered.";
> exit;
> }
PHP does not set to NULL post variables when they're empty. You can merely
check if they're empty strings (because, in the end, all form fields are
sent as strings).
--
-- Álvaro G. Vicario - Burgos, Spain
-- http://bits.demogracia.com - Mi sitio sobre programación web
-- Don't e-mail me your questions, post them to the group
--
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