apache_getenv

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

Get an Apache subprocess_env variable

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.

Parameters:

variable

The Apache environment variable

walk_to_top

Whether to get the top-level variable available to all Apache layers.

Returns:

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

Examples:

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