问从多组动态生成的多个列表框中获取值

EN

<select name="friend[1][]"
<select name="friend[2][]"
<select name="friend[3][]"


    var_dump($_POST);

    array(3) {
      ["name"]=>
      array(3) {
        [0]=>
        string(2) "aa"
        [1]=>
        string(2) "bb"
        [2]=>
        string(2) "cc"
      }
      ["friend"]=>
      array(3) {
        [1]=>
        array(1) {
          [0]=>
          string(4) "none"
        }
        [2]=>
        array(2) {
          [0]=>
          string(3) "sam"
          [1]=>
          string(3) "bob"
        }
        [3]=>
        array(1) {
          [0]=>
          string(5) "aaron"
        }
      }
      ["submit"]=>
      string(4) "send"
    }