如何使用$ _SERVER ['HTTP_REFERER']查找该用户来自Google? [英] How can i use $_SERVER['HTTP_REFERER'] to find that user came from google?

问题描述

我以前从未使用过$_SERVER['HTTP_REFERER']，而且我不知道如何通过单击Google搜索结果中的链接来使用它来找到该用户来我的网站.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....

不胜感激.

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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