Global variable $ _ SERVER in PHP

Source: Internet
Author: User
: This article mainly introduces the global variable $ _ SERVER in PHP. if you are interested in the PHP Tutorial, refer to it.

Echo $ _ SERVER ['php _ SELF ']; // output the file location
Echo $ _ SERVER ["SERVER_NAME"]; // The name of the SERVER is output.
Echo $ _ SERVER ['http _ host']; // HOST name of the user who browses the current webpage
Echo $ _ SERVER ['http _ referer']; // directs the user to the address of the previous page of the current user.
Echo $ _ SERVER ['http _ USER_AGENT '];
Echo $ _ SERVER ['script _ name']; // path of the current SCRIPT contained

The above describes the global variable $ _ SERVER in PHP, including some content, and hope to be helpful to friends who are interested in PHP tutorials.

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