How to retrive array using Symfony $request->getParameter()

Question

Html:

<input type="checkbox" value="1" name="my_checkbox[]">
<input type="checkbox" value="2" name="my_checkbox[]">
<input type="checkbox" value="3" name="my_checkbox[]">

In action:

$arr= $request->getParameter('my_checkbox[]');

this does not work. Any solution?

Answer 1

How about this:

$arr = $request->getParameter('my_checkbox');