Call to a member function query() on a non-object in
Kod:
function check_parts_price($fields_name,$id_parts) { $sql = $connect_user_db->query("SELECT $fields_name FROM parts_price WHERE id_parts='".$id_parts."'"); $check_parts_price = $sql->fetch_array(MYSQLI_ASSOC); return $check_parts_price[''.$fields_name.'']; }
A zapytanie mysql dziala poprawnie:
function check_parts_price($fields_name,$id_parts) { return $check_parts_price[''.$fields_name.'']; }