apache_getenv
(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
apache_getenv — 获取 Apache subprocess_env 变量
参数
variable- 
      
Apache 环境变量
 walk_to_top- 
      
是否获取对Apache各层可用的顶层变量
 
返回值
   成功时返回 Apache 环境变量值,失败时返回 false 
  
示例
示例 #1 apache_getenv() 示例
该示例显示如何取得 Apache 环境变量 SERVER_ADDR的值。
<?php
$ret = apache_getenv("SERVER_ADDR");
echo $ret;
?>以上示例的输出类似于:
42.24.42.240
  +添加备注
  
用户贡献的备注 2 notes
  
  
  elhachmi at gmail dot com ¶
  
 
  11 years ago
  apache_getenv(key) does not work on an php cgi installation, in this case rather use $_SERVER["REDIRECT_key"]  
  
  Anonymous ¶
  
 
6 years ago
  This manual page is unclear as to whether it will fetch Apache configuration environment variables set by "SetEnv" (including "SetEnvIf[NoCase]" or "BrowserMatch" e.g.) as the only example given is with a pre-defined CGI interface variable (which is also available via the $_SERVER[] array).  If custom Apache runtime configuration variables are indeed fetchable via this interface, let's say so or give an example of such.备份地址:http://www.lvesu.com/blog/php/function.apache-getenv.php