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helper.php
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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>
// +----------------------------------------------------------------------
use think\captcha\facade\Captcha;
use think\facade\Route;
use think\Response;
/**
* @param string $config
* @return \think\Response
*/
function captcha($config = null): Response
{
return Captcha::create($config);
}
/**
* @param $config
* @return string
*/
function captcha_src($config = null): string
{
return Route::buildUrl('/captcha' . ($config ? "/{$config}" : ''));
}
/**
* @param $id
* @return string
*/
function captcha_img($id = ''): string
{
$src = captcha_src($id);
return "<img src='{$src}' alt='captcha' onclick='this.src=\"{$src}?\"+Math.random();' />";
}
/**
* @param string $value
* @return bool
*/
function captcha_check($value)
{
return Captcha::check($value);
}