问将不含php代码的回显确认信息提交到html表单的phpmailer联系人表单

EN

 <?php if ($msg != "") echo "$msg<br><br>"; ?>

<?php
$msg = "";
use PHPMailer\PHPMailer\PHPMailer;
include_once "PHPMailer/PHPMailer.php";
include_once "PHPMailer/Exception.php";
include_once "PHPMailer/SMTP.php";

if (isset($_POST['submit'])) {
    $subject = $_POST['subject'];
    $email = $_POST['email'];
    $message = $_POST['message'];

    if (isset($_FILES['attachment']['name']) && $_FILES['attachment']['name'] != "") {
        $file = "attachment/" . basename($_FILES['attachment']['name']);
        move_uploaded_file($_FILES['attachment']['tmp_name'], $file);
    } else
        $file = "";

    $mail = new PHPMailer();

    //if we want to send via SMTP
    $mail->Host = "localhost";
    $mail->isSMTP();
    $mail->SMTPAuth = true;
    $mail->Username = "kk@prisa.com";
    $mail->Password = "1234";
    $mail->SMTPSecure = "false"; //TLS
    $mail->Port = 587; //587

    $mail->addAddress('kk@prisa.com');
    $mail->setFrom($email);
    $mail->Subject = $subject;
    $mail->isHTML(true);
    $mail->Body = $message;
    $mail->addAttachment($file);

    if ($mail->send())
        $msg = "Your email has been sent, thank you!";
    else
        $msg = "Please try again!";

    unlink($file);
}

<?php if ($msg != "") echo "$msg<br><br>"; ?>

            <form method="post" action="index.php">
                <input class="form-control" name="subject" placeholder="Subject..."><br>
                <input class="form-control" name="email" type="email" placeholder="Email..."><br>
                <textarea placeholder="Message..." class="form-control" name="message"></textarea><br>
                <input class="form-control" type="file" name="attachment"><br>
                <input class="btn btn-primary" name="submit" type="submit" value="Send Email">
            </form>