How to Get the Current Page\'s Full URL on Windows/IIS Servers?

Getting the Current Page's Full URL on Windows/IIS Servers

Encountering difficulties in setting up 301 redirects after relocating a WordPress installation on Windows/IIS? The issue may stem from retrieving the relevant part of the post URL.

Previous solutions online advocate using $_SERVER["REQUEST_URI"], but it seems to return an empty string. $_SERVER["PHP_SELF"] is also unreliable, merely providing "index.php."

The IIS Environment

Unlike Apache servers, IIS environments have a distinct way of handling URLs. The key is understanding the behavior of $_SERVER variables.

Resolution

Under IIS, you can leverage $_SERVER['PATH_INFO'] to fetch the required segment:

<code class="php">$url_segment = $_SERVER['PATH_INFO'];</code>

In your case, for URLs like "http://www.example.com/OLD_FOLDER/index.php/post-title/", $_SERVER['PATH_INFO'] would yield "/post-title/".

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