PHP Manual: Get an Apache subprocess

string apache_getenv ( string $variable [, bool $walk_to_top = false ] )

Retrieve an Apache environment variable specified by variable.

This function requires Apache 2 otherwise it's undefined.

variable: The Apache environment variable
walk_to_top: Whether to get the top-level variable available to all Apache layers.

The value of the Apache environment variable on success, or FALSE on failure

Example #1 apache_getenv example

The example above shows how to retrieve the value of the Apache environment variable SERVER_ADDR.


<?php
$ret = apache_getenv("SERVER_ADDR");
echo $ret;
?>

The above example will output something similar to:

42.24.42.240

apache_getenv