选择语言 :

Core_Auth::instance

Auth Core_Auth::instance( )

返回值

Auth

File: ./core/classes/auth.class.php

public static function instance($config_name=null)
{
    if (null===$config_name)
    {
        $config_name = Auth::DEFAULT_CONFIG_NAME;
    }

    if (is_string($config_name))
    {
        $i_name = $config_name;
    }
    else
    {
        $i_name = '.config_'.md5(serialize($config_name));
    }

    if (!isset(Auth::$instances[$i_name]))
    {
        Auth::$instances[$i_name] = new Auth($config_name);
    }

    return Auth::$instances[$i_name];
}