标签: php anonymous-users
可能重复: Track where users come from in PHP?
如何检查(独特的)访问者/用户是否从php中的stumbleupon,google或facebook定向到您的网站?
答案 0 :(得分:1)
查看referer标题$_SERVER['HTTP_REFERER']
$_SERVER['HTTP_REFERER']