<?php
use Action\WebAction;
use WebPlugin\Captcha;
class ImagesController extends WebAction
{
    /**
     * 验证码-生成
     * $len 生成图片验证码长度
     * @return mixed 验证码图片
     */
    public function indexAction()
    {
        $g = trim($this->get('g'));
        $len = intval($this->get('len',4));
        $namespace = !empty($g) ? $g : 'passport_istration';
        $imgCode = new Captcha();
        $imgCode->setWidth(150)->setHeight(50)->setWordLen($len)->generate($namespace);
        exit();
    }

    /**
     * 验证码-检测
     *
     * @param string auth_code (验证码)
     * @return string true|false
     */
    public function verifyimgcodeAction ()
    {
        if (strtolower($this->get('auth_code')) !== strtolower(Captcha::getFromSession('passport_istration')))
        {
            die('false');
        }
        die('true');
    }
}