record value is null in php

Question

hai ,

 

this is my code

$mysqli->select_db($database);

$statement = $mysqli->prepare("select * from tbl_mstuser");

$statement->execute();

$statement->store_result();

return $statement;

i get 10 rows  in $statement but all rows are null,but i checked in mysql values are in without 

null values and i get 16 rows

how to solve this