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How PHP Gets the port used by the user to log on to the site

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Author: User
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How PHP Gets the port used by the user to log on to the site
Title:
How PHP Gets the port used by the user to log on to the site
Or,
How PHP obtains the ports that users use when they connect to the server

Content ***************************************************

In Baidu is said to be used $_server[' remote_port '] function can get the port, I tried in the local PHP environment in our login or exit can get my port, but I moved things to my server, will not get, on the shrimp to help solve the next! Appreciate!!!





Port? server port? User Port

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------Solution--------------------
PHP is not $_server[' remote_port ' in the lower version of IIS (available in Windows + IIS7.5)
You need to download Remote_port related patches on Microsoft website

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