PHP contact form sending email every time the page is refreshed
问题 PHP contact form sends email every time the page is refreshed. If user sends his message once and refreshes again, the same message is sent again. This happens every time the page is refreshed. Here is my code form the form: if (isset($_POST['submit'])) { if ($_POST['email'] == '' || $_FILES['file_upload'] == '' || $_POST["fname"] == '' || $_POST["lname"] == '' || $_POST["message"] == '') { echo '<p class="red-info">Please Fill All The Fields</p>'; } else { $from_email = $_POST['email']; /