PHP obtains several global variables of the domain name

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Release: 2016-07-25 08:57:28
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  1. //Get the current domain name:
  2. echo $_SERVER['SERVER_NAME'];//Get the source URL, that is, click to go to the previous page URL of this page
  3. echo "
    ";
  4. echo $_SERVER["HTTP_REFERER"]; //Get the suffix of the previous page domain name
  5. echo "
    ";
  6. echo $_SERVER['REQUEST_URI'];//Get the suffix of the current domain name
  7. echo "
    ";
  8. echo $_SERVER['HTTP_HOST'];//Get the current domain name
  9. echo "
    "; //bbs.it-home.org
  10. dirname(__FILE__);//Get the current file The physical path
  11. dirname(__FILE__)."/../";//Get the upper-level physical path of the current file
  12. exit;
  13. ?>
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