PHP & checkboxes

[kerroppa]

Hi,

I'm wondering how I can capture which checkboxes are checked by the user when each checkbox has the same name (but different values). See the following:

<INPUT type="checkbox" name="box" value="1">
<INPUT ytpe="checkbox" name="box" value="2">
<INPUT type="checkbox" name="box" value="3">

In the above case when the first and third are checked, how do I know of that with PHP? I'm assuming box becomes an array containing value 1 and 2...? BTW, the number of checkbox can be vary, there'd be only one checkbox in one time and in another time, there will be as many as 10 checkboxes.

Please help! Thanks.
gibb

[sijis]

this might work. (i know it would work for <option multiple> </option> not sure about <input> though.)

<INPUT type="checkbox" name="box[]" value="1">
<INPUT ytpe="checkbox" name="box[]" value="2">
<INPUT type="checkbox" name="box[]" value="3">

adding the [] in the name attribute somehow signals to php to expect an array.

when you get the value is the same as anything else
$value_of_box = $_POST['box'];

here's the full article:
http://www.phpbuilder.com/columns/tim19991124.php3