How to send json data to jquery

You could use one of these. It would give you json data.

$data = json_encode( array('status' => 200, 'message' => 'success');
$result = wp_send_json_success( array( 'photo_id' => $photo_id_encode,'upload_msg' => 'Success' ) );

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)