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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：

42.24.42.240

参见

apache_setenv()
getenv()
Superglobals



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