thinkphp/library/think/exception/ValidateException.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------

namespace think\exception;

class ValidateException extends \RuntimeException
{
    protected $error;

    public function __construct($error)
    {
        $this->error   = $error;
        $this->message = is_array($error) ? implode("\n\r", $error) : $error;
    }

    /**
     * 获取验证错误信息
     * @access public
     * @return array|string
     */
    public function getError()
    {
        return $this->error;
    }
}