问显示复选框结果的PHP邮件表单

EN

<?php

// OPTIONS - PLEASE CONFIGURE THESE BEFORE USE!
$yourEmail = "myemailhere@myemail.com"; // the email address you wish to receive these mails through
$yourWebsite = "My Website name"; // the name of your website
$thanksPage = 'thanks.php'; // URL to 'thanks for sending mail' page; leave empty to keep message on the same page
$maxPoints = 4; // max points a person can hit before it refuses to submit - recommend 4

// --- DO NOT EDIT BELOW HERE -----------------------
$error_msg = null;
$result = null;

function isBot()
{
    $bots = array("Indy", "Blaiz", "Java", "libwww-perl", "Python", "OutfoxBot", "User-Agent", "PycURL", "AlphaServer", "T8Abot", "Syntryx", "WinHttp", "WebBandit", "nicebot");
    $isBot = false;

    foreach ($bots as $bot) {
        if (strpos($_SERVER['HTTP_USER_AGENT'], $bot) !== false) $isBot = true;
    }

    if (empty($_SERVER['HTTP_USER_AGENT']) || $_SERVER['HTTP_USER_AGENT'] == " ") $isBot = true;
    exit("Bots not allowed.</p>");
}

if ($_SERVER['REQUEST_METHOD'] == "POST") {

    function clean($data)
    {
        $data = trim(stripslashes(strip_tags($data)));
        return $data;
    }

    $points = (int)0;
    $badwords = array("adult", "beastial", "bestial", "blowjob", "clit", "cum", "cunilingus", "cunillingus", "cunnilingus", "####", "ejaculate", "fag", "felatio", "fellatio", "####", "fuk", "fuks", "gangbang", "gangbanged", "gangbangs", "hotsex", "hardcode", "jism", "jiz", "orgasim", "orgasims", "orgasm", "orgasms", "phonesex", "phuk", "phuq", "porn", "pussies", "pussy", "spunk", "xxx", "viagra", "phentermine", "tramadol", "adipex", "advai", "alprazolam", "ambien", "ambian", "amoxicillin", "antivert", "blackjack", "backgammon", "texas", "holdem", "poker", "carisoprodol", "ciara", "ciprofloxacin", "debt", "dating", "porn", "link=", "voyeur");
    $exploits = array("content-type", "bcc:", "cc:", "document.cookie", "onclick", "onload", "javascript");

    foreach ($badwords as $word) {
        if (strpos($_POST['message'], $word) !== false) $points += 2;
    }

    foreach ($exploits as $exploit) {
        if (strpos($_POST['message'], $exploit) !== false) $points += 2;
    }

    if (strpos($_POST['message'], "http://") !== false || strpos($_POST['message'], "www.") !== false) $points += 2;
    if (isset($_POST['nojs'])) $points += 1;
    if (preg_match("/(<.*>)/i", $_POST['message'])) $points += 2;
    if (strlen($_POST['name']) < 3) $points += 1;
    if (strlen($_POST['message']) < 15 || strlen($_POST['message'] > 1500)) $points += 2;

    foreach ($_POST as $key => $value) {
        $_POST[$key] = trim($value);
    }

    if (empty($_POST['name']) || empty($_POST['email']) || empty($_POST['message'])) {
        $error_msg .= "Name, e-mail and comments are required fields. \n";
    } elseif (strlen($_POST['name']) > 15) {
        $error_msg .= "The name field is limited at 15 characters. Your first name or nickname will do! \n";
    } elseif (!preg_match("/^[a-zA-Z-'\s]*$/", stripslashes($_POST['name']))) {
        $error_msg .= "The name field must not contain special characters. \n";
    } elseif (!preg_match('/^([a-z0-9])(([-a-z0-9._])*([a-z0-9]))*\@([a-z0-9])(([a-z0-9-])*([a-z0-9]))+' . '(\.([a-z0-9])([-a-z0-9_-])?([a-z0-9])+)+$/i', strtolower($_POST['email']))) {
        $error_msg .= "That is not a valid e-mail address. \n";
    } elseif (!empty($_POST['url']) && !preg_match('/^(http|https):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i', $_POST['url'])) {
        $error_msg .= "Invalid website url.";
    }

    if ($error_msg == NULL && $points <= $maxPoints) {
        $subject = "Desktop Support Form Email";
        $message = "You received this e-mail message through your website: \n\n";

        foreach ($_POST as $key => $val) {
            $message .= ucwords($key) . ": " . clean($val) . "\r\n";
        }

        $message .= 'IP: ' . $_SERVER['REMOTE_ADDR'] . "\r\n";

        if (strstr($_SERVER['SERVER_SOFTWARE'], "Win")) {
            $headers = "From: $yourEmail \r\n";
            $headers .= "Reply-To: {$_POST['email']}";
        } else {
            $headers = "From: $yourWebsite <$yourEmail> \r\n";
            $headers .= "Reply-To: {$_POST['email']}";
        }

        if (mail($yourEmail, $subject, $message, $headers)) {
            if (!empty($thanksPage)) {
                header("Location: $thanksPage");
                exit;
            } else {
                $result = 'Your mail was successfully sent.';
            }
        } else {
            $error_msg = 'Your mail could not be sent this time.';
        }
    } else {
        if (empty($error_msg)) {
            $error_msg = 'Your mail looks too much like spam, and could not be sent this time. [' . $points . ']';
        }
    }
}

function get_data($var)
{
    if (isset($_POST[$var])) echo htmlspecialchars($_POST[$var]);
}