How to do when choosing an option to send to the database?

Question

PHP

<select name="" id="">
<option name="v" value="1">Вкл</option>
<option name="v"  value="0">Выкл</option>
</select>

How to do, for example, when choosing on, the value 1 was sent to the database, let the page be reloaded at that moment.

Answer 1

<select id="" name="" onchange="this.form.submit();">
<option name="v" value="1">Вкл</option>
<option name="v"  value="0">Выкл</option>
</select>