mp_audio_manage/app/Cache/WechatStateCache.php

<?php


namespace App\Cache;


use App\Libs\Utils;
use Illuminate\Support\Facades\Redis;

class WechatStateCache
{
    /**
     * 写入扫码 state
     *
     * @param string $state
     * @param int    $ttl 有效期（秒）
     * @return void
     */
    public static function set(string $state, int $ttl)
    {
        Redis::setex(Utils::getCacheKey('wechat.state', [$state]), $ttl, '1');
    }

    /**
     * 校验并消费 state（一次性）
     *
     * @param string $state
     * @return bool
     */
    public static function pull(string $state): bool
    {
        if ($state === '') {
            return false;
        }

        $cacheKey = Utils::getCacheKey('wechat.state', [$state]);
        $value    = Redis::get($cacheKey);
        if ($value === null || $value === '') {
            return false;
        }

        Redis::del($cacheKey);
        return true;
    }
}