【CI框架】 根據 host 訪問對應接口

/*
    根據訪問域名動態訪問
*/

//防止惡意訪問，以及進行簡單的權限管理
$hostArr    = array(
    'mc.test.com' => array('/down/index','/down/test'),
    'md.test.com' => array('/reg/index','/reg/down'),
);

$root  = $_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['HTTP_HOST'];

$hostFlag = false;
if(isset($hostArr[$_SERVER['HTTP_HOST']])){
    if(!in_array($_SERVER['QUERY_STRING'],$hostArr[$_SERVER['HTTP_HOST']])){ exit('No direct script access allowed'); }
    $hostFlag   = true;
    $root .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
}

/*
    根據訪問域名動態訪問
*/
$config['base_url'] = $hostFlag ? $root : 'http://m.test.com/';