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.
Замечание: This function does not work in ISAPI mode.
See also putenv().
Пред. | Начало | След. |
get_required_files | Уровень выше | getlastmod |