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apache_getenv

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

apache_getenvGet an Apache subprocess_env variable

Description

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

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.

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

See Also

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.apache-getenv.php