Core_Auth::instance

56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
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];
}