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.
以上例程的输出类似于：
<?php
$ret = apache_getenv("SERVER_ADDR");
echo $ret;
?>
42.24.42.240
参见
- apache_setenv() - Set an Apache subprocess_env variable
- getenv() - Gets the value of an environment variable
- Superglobals
