$item = $datac; //results of mysql query
        foreach($item as $key => $val){
            $data[$key] = explode(",", $val);
        }
        for($k = 1; $k < count($item); $k++){
            $subtotal[$k] = substr($data[$k][4],2);
        }
        foreach($subtotal as $val)
          echo $val.' ';
          
        echo '<br>Newest Sum: '.(array_sum($subtotal));

Array
(
    [0] => Array
        (
            [Transporter Log] => Array
                (
                    [10] => Array
                        (
                            [2] => Array
                                (
                                    [0] => 2007-07-10
                                )

                            [4] => Array
                                (
                                    [0] => 1
                                )

                            [5] => Array
                                (
                                    [0] => 1
                                )

                            [6] => Array
                                (
                                    [0] => Shelter Wildlife Delivery
                                )

                            [17] => Array
                                (
                                    [0] => 
                                )

                            [25] => Array
                                (
                                    [0] => 
                                )

                            [uid] => 1
                            [mod_date] => 2007-07-26
                            [proxyid] => 1
                            [creation_date] => 2007-07-26
                            [creator_email] => admin@mydomain.com
                        )

                )

        )