xyzshop/helper/refill/policy/PolicyUtil.php

<?php

namespace refill;

class PolicyUtil
{
    private const MixedQuality = [Quality::DefSuccess, Quality::NormalQuick];
    public static function mixed_quality($quality) : bool
    {
        if(in_array($quality,PolicyUtil::MixedQuality)) {
            return true;
        } else {
            return false;
        }
    }

    public static function mixed_qualities()
    {
        return PolicyUtil::MixedQuality;
    }

    public static function mixed_ratio()
    {
        $mixed = [Quality::DefSuccess];
        return $mixed;
    }

    public static function isMixedQuality($org_quality)
    {
        return in_array($org_quality,[Quality::NormalQuick]);
    }
}