PHP 联系表失败

PHP Contact Form Failing

我想知道这个联系表出了什么问题。我不确定为什么,但它一直默认为 else 并说 Something went wrong, please try again later. 我不知道为什么,而 error_log 没有显示任何内容。有什么明显的我想念的吗?我是 PHP.

的新手

PHP

<?php
    $name = $_POST['name'];
    $email = $_POST['email'];
    $phone = $_POST['phone'];
    $message = $_POST['message'];
    $captcha = $_POST['captcha'];
    $from = 'From: HankSmith.com Contact Form'; 
    $to = 'thatbraxjohnsonguy@gmail.com'; 
    $subject = 'HANK SMITH CONTACT FORM';

    $body = "
            From: $name\n 
            E-Mail: $email\n 
            Phone: $phone\n
            Message: $message\n";

    if ($_POST['submit'] and $captcha == 4) {                
        if (mail ($to, $subject, $body, $from)) { 
        echo '<p style="margin-top: 150; text-align:center; font-size: 18px;">Your message has been sent! Click <a href="../index.php">here</a> to return to the website.</p>';
    } else { 
        echo '<p>Something went wrong, try again later!</p>'; 
    }
}
?>

HTML表格

            <form class="contactform" method="post" action="php/contact.php">
                <h3>Name</h3>
                <input class="form inputboxes" type="text" name="name">
                <h3>Email</h3>
                <input class="form inputboxes" type="text" name="email">
                <h3>Phone</h3>
                <input class="form inputboxes" type="text" name="phone">
                <h3>Message</h3>
                <textarea class="form inputboxes" name="message"></textarea>
                <h3 class="captchastyle">Are you real? What is 2 + 2?</h3><input class="captcha captchastyle" type="text" name="captcha" maxlength="1">
                <input class="form submit" name="submit" type="submit" value="Submit">
            </form>

根据您的情况使用isset

if (isset($_POST['submit']) && $captcha == 4)

检查字段是否为空以及表单是否已提交。

而且 &&and 更好看这里的原因:

当我将它复制到我的文本编辑器中时,它抛出了一个解析错误,因为 if (mail)... 部分中的 echo 语句没有右括号。我从不使用'and',我通常使用'&&',但实际上在这种情况下似乎并不重要。

if ($_POST['submit'] && $captcha == 4) {                
        if (mail ($to, $subject, $body, $from)) { 
        echo '<p style="margin-top: 150; text-align:center; font-size: 18px;">Your message has been sent! Click <a href="../index.php">here</a> to return to the website.</p>';
        } // THIS MUST BE HERE
    } else { 
        echo '<p>Something went wrong, try again later!</p>'; 
    }

此外,您可能需要一个 'else' 条件来表示 if (mail)... 语句。如果您看到空白页,那是因为您没有处理 mail() 函数 returns false:

时发生的情况
if (mail ($to, $subject, $body, $from)) { 
  echo '<p style="margin-top: 150; text-align:center; font-size: 18px;">Your message has been sent! Click <a href="../index.php">here</a> to return to the website.</p>';
} else {
  echo '<p>Problem sending mail!';
}

老实说,原生 PHP mail() 函数很烂!考虑改用 SwiftMailer or PHPMailer