$input = str_replace(array('%','_'),'',$_POST['input']);
   if (!$input)
      {
         header('Location: index.php?action=null value');
            exit;
      }
        $query =('SELECT * FROM sales WHERE datetime LIKE :search OR datetime LIKE  :search'.$pages->get_limit());
          $stmt = $digital->prepare($query);
          $stmt->bindValue(':search', '%' . $input . '%', PDO::PARAM_INT);
          $stmt->execute();