取消选中时，会为复选框发送值

Question

To give you an idea of what I am after. I have items that have "info" to them, well say if I check a box to show Model, I want to be able to go in at a later date and uncheck it.

Is there anyway that you can uncheck a checkbox and have it be stored as 0 in the database?

Here is my input ( I have 10 of these )

<input type="checkbox" name="showmodel" <?php if ($showmodel == '1') echo "checked='checked'"; ?> />

this is how I am trying to update it

$query = "UPDATE `new_equip` SET `featured`='1',`showmanu`='1',`showmodel`='1' "WHERE `id`='$id' LIMIT 1";

Answer 1

I passed trough the same issue and i solved like this:

<input type="hidden" name="permission[<?php echo $data->permission_id; ?>]" value="off">
<input type="checkbox" name="permission[<?php echo $data->permission_id; ?>]" <?php if($data->permission == 'on') { echo 'checked'; } ?> >