<form method="POST" action="mysql.php" class="callback form-order">
<div class="row">
                            <div class="col-md-3">
                                <label>
                                    <p>Имя:</p>
                                    <input type="text" name="name" placeholder="Имя" required>
                                </label>
                            </div>
                            <div class="col-md-3">
                                <label>
                                    <p>Фамилия:</p>
                                    <input type="text" name="surname" placeholder="Фамилия" required>
                                </label>
                            </div>
<div class="text-center">
                            <button  class="button">Отправить</button>
                        </div>

<?php


    $method = $_SERVER['REQUEST_METHOD'];


    //Script Foreach
    $c = true;
    if ( $method === 'POST' ) {

        $project_name = trim($_POST["project_name"]);
        $admin_email  = trim($_POST["admin_email"]);
        $form_subject = trim($_POST["form_subject"]);

        foreach ( $_POST as $key => $value ) {
            if ( $value != "" && $key != "project_name" && $key != "admin_email" && $key != "form_subject" ) {
                $message .= "
                " . ( ($c = !$c) ? '<tr>':'<tr style="background-color: #f8f8f8;">' ) . "
                <td style='padding: 10px; border: #e9e9e9 1px solid;'><b>$key</b></td>
                <td style='padding: 10px; border: #e9e9e9 1px solid;'>$value</td>
            </tr>
            ";
        }
    }
    } else if ( $method === 'GET' ) {

        $project_name = trim($_GET["project_name"]);
        $admin_email  = trim($_GET["admin_email"]);
        $form_subject = trim($_GET["form_subject"]);

        foreach ( $_GET as $key => $value ) {
            if ( $value != "" && $key != "project_name" && $key != "admin_email" && $key != "form_subject" ) {
                $message .= "
                " . ( ($c = !$c) ? '<tr>':'<tr style="background-color: #f8f8f8;">' ) . "
                <td style='padding: 10px; border: #e9e9e9 1px solid;'><b>$key</b></td>
                <td style='padding: 10px; border: #e9e9e9 1px solid;'>$value</td>
            </tr>
            ";
        }
    }
    }

    $message = "<table style='width: 100%;'>$message</table>";

    function adopt($text) {
        return '=?UTF-8?B?'.Base64_encode($text).'?=';
    }

    $headers = "MIME-Version: 1.0" . PHP_EOL .
    "Content-Type: text/html; charset=utf-8" . PHP_EOL .
    'From: '.adopt($project_name).' <'.$admin_email.'>' . PHP_EOL .
    'Reply-To: '.$admin_email.'' . PHP_EOL;


       mail($admin_email, ado

    pt($form_subject), $message, $headers );
    ?>

<?php


//Параметры подключения в БД
$host = "11"; //имя хоста
$database = "11"; //имя базы
$user = "11"; //пользователь
$password = "11"; //пароль
$dbtable = "Users"; //таблица

if (isset($_POST['name'])){
//переменные с формы
$name = strip_tags(trim($_POST['name']));
$surname = strip_tags(trim($_POST['surname'];
$secondname = strip_tags(trim($_POST['secondname'];
$phone = strip_tags(trim($_POST['phone'];
$birthdate = strip_tags(trim($_POST['birthdate'];
$birhtplace = strip_tags(trim($_POST['birhtplace'];
$citizenship = strip_tags(trim($_POST['citizenship'];
$doc = strip_tags(trim($_POST['doc'];
$docid = strip_tags(trim($_POST['docid'];
$docpublish = strip_tags(trim($_POST['docpublish'];
$docdate = strip_tags(trim($_POST['docdate'];
$regterm = strip_tags(trim($_POST['regterm'];
$comment = strip_tags(trim($_POST['comment'];
$date = date("Y-m-d");
$time = date("H:i:s")

//установим соединение с бд
$link = mysqli_connect($host, $user, $password, $database)
    or die("Ошибка " . mysqli_error($link));

$sql = "INSERT INTO ".$dbtable." (order_date, order_time, name, surname, second_name, phone, birth_date, birht_place, citizenship, doc, doc_id, doc_publish, doc_date, term) VALUES ('$date', '$time', '$name', '$surname', '$secondname', '$phone', '$birthdate', '$birhtplace', '$citizenship', '$doc', '$docid', '$docpublish', '$docdate', '$regterm', '$comment')"

//внесём данные с формы в БД
$res = mysqli_query($sql) or trigger_error(mysqli_error()." in ". $sql);

mysqli_close($link);
}
?>