为什么我的 php 联系表发送空白电子邮件？ [复制]

Question

我是 PHP 新手，想知道是否有人有技能可以帮助我解决这个问题？一旦用户（在这种情况下是我）提交信息，它就会向我的收件箱发送空白电子邮件。此外，没有主题显示。我相信我的问题是不同的，因为它是带有添加无线电功能的特定代码，这有助于我更好地理解它并从我的错误中吸取教训。提前致谢。

我的 PHP 代码：

<?php

if(!isset($_POST['submit'])) {
    //This page should not be accessed directly. Need to submit the form.
    echo "error; you need to submit the form!";
}

$name = $_POST['name'];
$email = $_POST['email'];
$tel = $_POST['tel'];
$message = $_POST['message'];
$email_from = 'testtike@yahoo.com'; //<== update the email address
$email_subject = "New Form submission";
$email_body =   "You have received a new message from the user $name.\n" 
                . "Here is the message:\n $message".

$to = "testtike@yahoo.com"; //<== update the email address
$headers = "From: $email_from \r\n";
$headers .= "Reply-To: $visitor_email \r\n";

//Send the email!
mail($to, $subject, $body, $from, $tel);

//done. redirect to thank-you page.
header('Location: thank-you.html');


// Function to validate against any email injection attempts
function IsInjected($str) {

    $injections = array('
        (\n+)',
        '(\r+)',
        '(\t+)',
        '(%0A+)',
        '(%0D+)',
        '(%08+)',
        '(%09+)'
    );

    $inject = join('|', $injections);
    $inject = "/$inject/i";
    if(preg_match($inject,$str)) {
        return true;
    } else {
        return false;
    }
}

我的 HTML：

<label>Name</label>
<input name="name" placeholder="Type Here">

<label>Email</label>
<input name="email" type="email" placeholder="Type Here">

<label>Phone Number</label>
<input name="tel" type="phone" placeholder="Type Here">

<label>Message/Comments/Questions</label>
<textarea name="message" placeholder="Type Here"></textarea>



<label>Are you retired?</label> <br>

<div id="button">
<input type="radio" name="retired" value="yes"> Yes.
<input type="radio" name="retired" value="no"> No. 
<input type="radio" name="retired" value="na"> Does not apply.<br><br>
</div>


<label>Are you a veteran?</label> <br>
<div id="button">
<input type="radio" name="vet" value="yes"> Yes.
<input type="radio" name="vet" value="no"> No. 
<input type="radio" name="vet" value="na"> Does not apply.<br><br>

</div>


<label>Military Family Member?</label> <br>
<div id="button">
<input type="radio" name="family" value="yes"> Yes.
<input type="radio" name="family" value="no"> No. 
<input type="radio" name="family" value="na"> Does not apply.<br>
</div>

<label> Do You Have A Copy of Your DD214?</label> <br>
<div id="button">
<input type="radio" name="dd" value="yes"> Yes.
<input type="radio" name="dd" value="no"> No. 
<input type="radio" name="dd" value="na"> Does not apply.<br>
</div>

<input type="submit" name='submit' value="submit">


</form>       

Answer 1

将您的 mail() 呼叫更改为：

mail($to, $email_subject, $email_body, $headers);

您的变量引用不正确。

此外，您将第五个参数传递给mail()。虽然这是有效的，但我相信你可能在执行时弄错了。第五个参数用于将其他标志传递给 sendmail 进程。

请参阅PHP Docs 了解更多信息。