Re: Re: error checking a null array

On 8/1/05, Jack Jackson <jackson.linux@gmail.com> wrote: > > Jochem Maas wrote: > <snip> > > > > wtf are you smoking Jack? every checkbox that was checked will exist in the > > $_POST array set with the value you gave it (I alway set a chekcboxes > > value to 1 > > because the values mere existance in the submitted data indicates it's > > chevckbox > > was checked), if a checkbox does not exist in the $_POST array it > > wasn't checked!!! > > Oh, how I wish I were smoking something :) ! > > > imagine you have 10 checkboxes named 'cb1' thru 'cb10' each with a > > value > > of '1', > > upon submitting the form they are in, your script sees the following in > > the $_POST > > array... > > > > $_POST = array('cb1' => '1', 'cb9' => '1', > > 'cb10' => '1'); > > > > which tells you 3 checkboxes were checked... namely 'cb1', 'cb9' and 'cb10' > > now how hard is it to determine which we're not checked? > > > > Well, for me, it is - because I don't know the names of the other check > boxes which were not checked because they were dynamically created, and > I don't have the knowledge sufficient to pass the NAMES of all > checkboxes through to $_POST so that I can search through and see which > have been answered and which ones not. > > > > > maybe I'm not seeing the problem but I get the impression that you are > > over complicating things regarding checkbox. > > As always this is hugely possible. > > > JJ > You can pass those names in a hidden input field in the form, something like this: <input type="hidden" name="checkboxes" value="one box, two box, three box, four!"> ---------------------- Yes, or you can make your life easier and use radio buttons instead - the name:value is always passed without any need for the messing about which checkboxes bring. However, if you wish to use checkboxes, Jochem and Dotan are showing you the way.