I have several checkbox (I don't know number of them) that create from a loop in a form.
<form>
<input type="checkbox" name="id" value="id">
<input type="checkbox" name="id" value="id">
...//create in a loop
<input type="checkbox" name="id" value="id">
</form>
My question is that How can I read them, If I use <?php $_REQUEST['id']; ?>
, it only reads the last checkbox.
Use an input array:
<input type="checkbox" name="id[]" value="id_a">
<input type="checkbox" name="id[]" value="id_b">
<input type="checkbox" name="id[]" value="id_c">
<!-- ^^ this makes it an array -->
$_REQUEST['id']
can be accessed:
foreach($_REQUEST['id'] as $id)
{
echo $id;
}
Outputs
id_a
id_b
id_c
Side note: this works with $_POST
and $_GET
(not just $_REQUEST
). Generally speaking though $_REQUEST
should be avoided if possible.
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