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

// +----------------------------------------------------------------------
// | Captcha配置文件
// +----------------------------------------------------------------------

return [
    // 验证码字体大小(px)
    'fontSize' => 18,
    // 验证码图片高度
    'imageH'   => 38,
    // 验证码图片宽度
    'imageW'   => 138,
    // 验证码位数
    'length'   => 4,
    // 验证码加密密钥
    'codeSet'  => '0123456789',
];