while($rows = mysql_fetch_array($query)) {

                $id = $rows['id'];

                $liked_username_query = mysql_query("SELECT * FROM users where `id` = '$id' ");

                $liked_user_row = mysql_fetch_assoc($liked_username_query);

                $count = mysql_num_rows($query);

                    for($i = 0; $i <= $count; $i++) {

                        $matchcount = 'match_'. $i .'';
                        $match = array();
                        $match[$matchcount] = $liked_user_row['username'];

                    }

                echo json_encode($match);

        }