MSIE 中 $_SERVER['HTTP_REFERER'] PHP 变量的替代方案 [英] Alternative for $_SERVER['HTTP_REFERER'] PHP variable in MSIE

问题描述

我在我的应用程序中使用了 $_SERVER['HTTP_REFERER'] 变量(使用 PHP).在 Firefox 上，上面的变量是 wokring.但我观察到 $_SERVER['HTTP_REFERER'] 不适用于 Microsoft Internet Explorer 8.我还了解到 HTTP_REFERER 变量在 MSIE8 和 MSIE7 上不起作用.

I have used $_SERVER['HTTP_REFERER'] variable in my application (used PHP). On Firefox above variables is wokring. But i observed that $_SERVER['HTTP_REFERER'] is not working on Microsoft Internet Explorer 8. I also got to know that HTTP_REFERER variable doesnt work on MSIE8 and MSIE7.

请给我您的建议，如何使用 $_SERVER['HTTP_REFERER'] 变量摆脱 MSIE7/8 或者 $_SERVER['HTTP_REFERER' 有其他替代方案吗?] 变量

Please give me your suggestions, how to use $_SERVER['HTTP_REFERER'] variable to get rid on MSIE7/8 or is there any other alternative for $_SERVER['HTTP_REFERER'] variable

感谢您的建议.

-Pravin.

推荐答案

如果您只需要在您的网站内部(即:在您网站的页面之间，而不是在外部)使用引用信息，您可以手动跟踪一个用户的推荐人信息.

If you only need to use the referrer information internally for your website (ie: between pages of your website, not externally), you can manually keep track of a user's referrer information.

// Get the full URL of the current page
function current_page_url(){
    $page_url   = 'http';
    if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on'){
        $page_url .= 's';
    }
    return $page_url.'://'.$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI'];
}

/* (Assuming session already started) */
if(isset($_SESSION['referrer'])){
    // Get existing referrer
    $referrer   = $_SESSION['referrer'];

} elseif(isset($_SERVER['HTTP_REFERER'])){
    // Use given referrer
    $referrer   = $_SERVER['HTTP_REFERER'];

} else {
    // No referrer
}

// Save current page as next page's referrer
$_SESSION['referrer']   = current_page_url();

然后，要访问引用者，只需使用 $referrer 变量即可.

Then, to access the referrer, just use the $referrer variable.

if(isset($referrer)){
    echo 'Referred from "'.$referrer.'"';
    echo '<a href="'.$referrer.'">Back</a>';
} else {
    echo 'No referrer';
}

这样，如果用户访问 http://www.example.com/page_1.php，如果浏览器提供了引用信息，他们将看到引用信息，否则不会看到引用信息.然后，当他们访问 http://www.example.com/page_2.php 以及您网站的任何后续页面时，将可以访问引荐来源网址.

That way, if a user visits http://www.example.com/page_1.php, they will see the referrer information if their browser has provided it, otherwise no referrer. Then when they visit http://www.example.com/page_2.php, and any subsequent pages of your site, the referrer will be accessible.

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