apache_getenv

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

apache_getenv — Get an Apache subprocess_env variable

apache_getenv(string $variable, bool $walk_to_top = false): string|false

Retrieve an Apache environment variable specified by variable.

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

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