xyzshop/helper/refill/policy/mchannel.php

<?php

namespace refill;

use mtopcard;

class mchannel
{
    private $mTQMchidChannels;
    public function __construct()
    {
        $this->load();
    }

    public function load()
    {
        $this->mTQMchidChannels = [];
        $mchannels = rcache('merchant_chname-cfg','refill-');

        $qtchannels = [];
        foreach ($mchannels as $type_quality => $channels) {
            $qtchannels[$type_quality] = unserialize($channels);
        }

        foreach ($qtchannels as $tq => $items)
        {
            $this->mTQMchidChannels[$tq] = [];
            foreach ($items as $mchid => $channels) {
                sort($channels);
                $this->mTQMchidChannels[$tq][$mchid] = $channels;
            }
        }
    }

    public function channels($mchid, $card_type, $quality)
    {
        $card_paper = mtopcard\card_paper($card_type);
        $key = "{$card_paper}-{$quality}";

        if (array_key_exists($key, $this->mTQMchidChannels))
        {
            $mchannels = $this->mTQMchidChannels[$key];
            if (array_key_exists($mchid, $mchannels)) {
                return [$card_paper, $mchannels[$mchid]];
            }
        }

        return [$card_paper, []];
    }
}