thinkphp/library/think/config/driver/Json.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think\config\driver;

class Json
{
    public function parse($config)
    {
        if (is_file($config)) {
            $config = file_get_contents($config);
        }
        $result = json_decode($config, true);
        return $result;
    }
}