apache_getenv
(PHP 4 >= 4.3.0, PHP 5)
apache_getenv — Get an Apache subprocess_env variable
Description
   string apache_getenv
    ( string $variable
   [, bool $walk_to_top
  ] )
  Get an Apache environment variable as specified by variable .
This function requires Apache 2 otherwise it's undefined.
Parameters
- variable
 - 
      
The Apache environment variable
 - walk_to_top
 - 
      
Whether to get the top-level variable available to all Apache layers.
 
Return values
The value of the Apache environment variable on success, or FALSE on failure
Examples
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