helper.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2015 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------
\think\Route::get('captcha/[:id]', "\\think\\captcha\\CaptchaController@index");
\think\Validate::extend('captcha', function ($value, $id = "") {
return captcha_check($value, $id, (array)\think\Config::get('captcha'));
});
\think\Validate::setTypeMsg('captcha', '验证码错误!');
/**
* @param string $id
* @param array $config
* @return \think\Response
*/
function captcha($id = "", $config = [])
{
$captcha = new \think\captcha\Captcha($config);
return $captcha->entry($id);
}
/**
* @param $id
* @return string
*/
function captcha_src($id = "")
{
return \think\Url::build('/captcha' . ($id ? "/{$id}" : ''));
}
/**
* @param $id
* @return mixed
*/
function captcha_img($id = "")
{
return '<img src="' . captcha_src($id) . '" alt="captcha" />';
}
/**
* @param $value
* @param string $id
* @param array $config
* @return bool
*/
function captcha_check($value, $id = "", $config = [])
{
$captcha = new \think\captcha\Captcha($config);
return $captcha->check($value, $id);
}