tken/addons/qiniu/library/Qiniu/Zone.php

<?php
namespace Qiniu;

use Qiniu\Region;

class Zone extends Region
{
    public static function zonez0()
    {
        return parent::regionHuadong();
    }

    public static function zonez1()
    {
        return parent::regionHuabei();
    }

    public static function zonez2()
    {
        return parent::regionHuanan();
    }

    public static function zoneAs0()
    {
        return parent::regionSingapore();
    }

    public static function zoneNa0()
    {
        return parent::regionNorthAmerica();
    }

    public static function qvmZonez0()
    {
        return parent::qvmRegionHuadong();
    }

    public static function qvmZonez1()
    {
        return parent::qvmRegionHuabei();
    }

    public static function queryZone($ak, $bucket)
    {
        return parent::queryRegion($ak, $bucket);
    }
}