mysql_fetch_array returns duplicate data

Question

every time i run mysql_fetch_array an array is returned with duplicate values e.g.

Array
(
    [0] => 1
    [row_id] => 1
    [1] =>         


        

Answer 1

mysql_fetch_array returns resultset returned as as response to query execution as both associative and numeric arrays. For returning resultset as associative array you need to use mysql_fetch_assoc function. For returning resultset as numeric array you need to use mysql_fetch_row function.