thinkphp/helper.php

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<?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>
// +----------------------------------------------------------------------

//------------------------
// ThinkPHP 助手函数
//-------------------------

use think\Cache;
use think\Config;
use think\Cookie;
use think\Db;
use think\Debug;
use think\exception\HttpException;
use think\exception\HttpResponseException;
use think\Lang;
use think\Loader;
use think\Log;
use think\Model;
use think\Request;
use think\Response;
use think\Session;
use think\Url;
use think\View;

if (!function_exists('load_trait')) {
    /**
     * 快速导入Traits PHP5.5以上无需调用
     * @param string    $class trait库
     * @param string    $ext 类库后缀
     * @return boolean
     */
    function load_trait($class, $ext = EXT)
    {
        return Loader::import($class, TRAIT_PATH, $ext);
    }
}

if (!function_exists('exception')) {
    /**
     * 抛出异常处理
     *
     * @param string    $msg  异常消息
     * @param integer   $code 异常代码 默认为0
     * @param string    $exception 异常类
     *
     * @throws Exception
     */
    function exception($msg, $code = 0, $exception = '')
    {
        $e = $exception ?: '\think\Exception';
        throw new $e($msg, $code);
    }