PHP-manual | ||
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Föregående | Nästa |
Returns the value of the environment variable varname, or FALSE on an error.
You can see a list of all the environmental variables by using phpinfo(). You can find out what many of them mean by taking a look at the CGI specification, specifically the page on environmental variables.
Not: This function does not work in ISAPI mode.
See also putenv().
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get_required_files | Upp | getlastmod |