Adding multiple inputs to file php form submit

Question

I have a form that looks like so:

*Full Path of folder to change access:
         


        

Answer 1

If you append [] to your form field names, PHP will take those fields and turn them into an array, e.g.

would produce the following $_POST structure:

$_POST = array(
    'field' => array(
         0 => 'first',
         1 => 'second',
         2 => 'third',
    )
);

The alternative is to append incrementing numbers to each field name, as you duplicate the existing field sets for each new block. This provides a nice separation between blocks and allows you guarantee that related fields have the same numerical tag, but it does complicate processing.