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PHP5中文手册

apache_getenv

(PHP 4 >= 4.3.0, PHP 5)

apache_getenv — Get an Apache subprocess_env variable

说明

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.

参数

variable

The Apache environment variable

walk_to_top

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

返回值

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

范例

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;
?>

上例的输出类似于:

42.24.42.240