php select data from mysql database without column name

1SHOW COLUMNS FROM table_name;

1function sql($sql) {
2  global $db_cnx;
3    $T_Return=array();
4    $result=mysqli_query($db_cnx,$sql);
5   
6    $i=0;
7    while ($i < mysqli_num_fields($result)) {           
8        $fields[]=mysqli_fetch_field($result);
9        $i++;
10    }
11   
12    while ($row=mysqli_fetch_row($result)) {               
13        $new_row=array();
14        for($i=0;$i<count($row); $i++) {
15            $new_row[ $fields[$i]->table][$fields[$i]->name]=$row[$i];
16        }
17        $T_Return[]=$new_row;
18    }
19
20   
21    return $T_Return;
22}