How to insert dynamic field values into mysql table?

[Dmitriy Son]

Hi! How to insert dynamically added values of the select list into mysql table? $10 any working solution pls.

function SaveNewCampaign()
{
global $wpdb;
$table_name= $wpdb->prefix.'campaigns';
$data = array();
$data["name"]=$wpdb->escape($_POST["name"]);
$data["goal_amt"]=$wpdb->escape($_POST["goal_amt"]);
[B]$data["reward"]=$wpdb->escape($_POST["reward"]);
$data["rewards"]=$wpdb->escape($_POST["rewards[]"]);[/B]
}

Thanks in advance.