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getenv(PHP 4, PHP 5) getenv — Gets the value of an environment variable Description string getenv ( string $varname ) Gets the value of an environment variable. 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. Parameters
Return ValuesReturns the value of the environment variable varname , or FALSE on an error. Examples
Example #1 getenv() Example <?php |