php - Refresh page after form submitting

Question

I have a little problem. I want to reload my page after submitting a form.

<form method="post" action="">
   <textarea cols="30" rows="4" name="update" id="update" maxlength="200" ></textarea>
   <br />
   <input type="submit"  value=" Update "  id="update_button"  class="update_button"/>
</form>

Answer 1

only use

 echo "<meta http-equiv='refresh' content='0'>";

right after insert query before } example

if(isset($_POST['submit']))
        {
SQL QUERY----
echo "<meta http-equiv='refresh' content='0'>";
}