<?php

/**
 * 短信验证码
 *
 */
class secCodeSms implements secCodeInterface
{
    //发送验证码到手机
    public function sendCode($phone)
    {
        $code = mt_rand(10000, 99999);

        $url = str_replace('{@phone}', urlencode($phone), SECCODE_SMS_URL);
        $url = str_replace('{@code}', urlencode($code), $url);

        $result = file_get_contents($url);

        if (false !== strpos($result, SECCODE_SMS_SUCCESS_FLAG)) {
            return $code;
        } else {
            return false;
        }
    }
}