encode multiple rows to json in php mysql

how to encode multiple rows from mysql table to php encode_json?

very simple!

$result = mysqli_query($con,'select uno,ucode,uref,uname,uphone,uemail from usermst order by uname ASC'); $rows = array(); while($r = mysqli_fetch_assoc($result)){ $rows[] = array('data' => $r); } echo json_encode($rows);