我如何使用 $_SERVER['HTTP_REFERER'] 来查找来自

How can i use $_SERVER[#39;HTTP_REFERER#39;] to find that user came from google?(我如何使用 $_SERVER[HTTP_REFERER] 来查找来自 google 的用户?)

问题描述

我之前没有使用过 $_SERVER['HTTP_REFERER']，我不知道如何使用它来通过点击 Google 搜索结果中的链接来找到访问我网站的用户.用户可以来自 google.com、google.co.uk 等......

I haven't used $_SERVER['HTTP_REFERER'] before and i dont knw how i can use that to find that user came to my site by clicking on a link in Google search results. User can come from google.com, google.co.uk etc....

非常感谢帮助.

推荐答案

$url = $_SERVER['HTTP_REFERER'];
$query = parse_url ($url, PHP_URL_QUERY);
$host = parse_url ($url, PHP_URL_HOST);
if (strstr ($query, 'q=') && strstr ($host, 'google.')) {
    // user came from google
else {
    // user didnt come from google
}

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