duanjiao6730 2012-09-26 05:50
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如何获取有关推荐链接的信息?

Suppose I have one link in Website A and is redirected to the Website B, when it click over the link. Website A may be the blog, article or social bookmarking site. I need to know how to get URL of the Website A. I owns Website B. So I need to write the PHP script on Website B through which it gives me information about the Website A URL. You can also suggest me on other programming language. Your answer would be too appreciate.

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  • dongsicheng5262 2012-09-26 05:52
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    Use $_SERVER['HTTP_REFERER']

    The address of the page (if any) which referred the user agent to the current page. This is set by the user agent. Not all user agents will set this, and some provide the ability to modify HTTP_REFERER as a feature. In short, it cannot really be trusted.

    http://php.net/manual/en/reserved.variables.server.php

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