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
例子 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：
|