Feedback form with ID assignment?

Question

PHP

Maybe someone met a similar implementation? feedback form, it has standard fields (name phone email), and a drop-down list with the topics of the appeal. The user receives a letter with an id and a subject.

Answer 1

a form with the subject of the question is obtained) a complaint, for example, gratitude, etc. finally found the words..

Answer 2

So what do you need? getting a specific unique id? or the dropdown implementation? Well, here's the dropdown list:

<select id="topic">
  <option value="error">Ошибка сайта</option>
  <option value="order">Заказ услуг и товаров</option>
  <option value="other">Другая тема</option>
</select>

Well, on the server this message is stored in the database and an ID is assigned to it, after that the message is sent by mail (there are a lot of examples of sending it to the mail).