(PHP 4, PHP 5)
getenv — Gets the value of an environment variable
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.
The variable name.
Returns the value of the environment variable varname , or FALSE on an error.
Example #1 getenv() Example
<?php// Example use of getenv()$ip = getenv('REMOTE_ADDR');// Or simply use a Superglobal ($_SERVER or $_ENV)$ip = $_SERVER['REMOTE_ADDR'];?>
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