php-互亿手机短信验证

public function sedsms($phone){

//开启SESSION

session_start();
header("Content-type:text/html; charset=UTF-8");
//短信接口地址
$target = "http://106.ihuyi.com/webservice/sms.php?method=Submit";

//获取手机号
        $mobile=$phone;
//获取验证码
       /* $send_code ='0202';*/
//生成的随机数
        $mobile_code = $this->random(4,1);
        if(empty($mobile)){
            exit('手机号码不能为空');
        }

//防用户恶意请求
        /*if(empty($_SESSION['send_code']) or $send_code!=$_SESSION['send_code']){
            exit('请求超时，请刷新页面后重试');
        }*/

      /*  $name=$this->getUserById($username);*/
       $post_data = "account=你的APIID&password=你的APIKEY&mobile=".$mobile."&content=".rawurlencode("您的验证码是：0202。请不要把验证码泄露给其他人。");
//查看用户名 登录用户中心->验证码通知短信>产品总览->API接口信息->APIID
//查看密码 登录用户中心->验证码通知短信>产品总览->API接口信息->APIKEY


      $gets =$this->xml_to_array($this->Post($post_data, $target));
        if($gets['SubmitResult']['code']==2){
            $_SESSION['mobile'] = $mobile;
            $_SESSION['mobile_code'] = $mobile_code;
        }
        //echo $gets['SubmitResult']['msg'];
       /* print_r($gets);*/
        exit;
        return true;
    }

    //请求数据到短信接口，检查环境是否 开启 curl init。
    function Post($curlPost,$url){
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_HEADER, false);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_NOBODY, true);
        curl_setopt($curl, CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
        $return_str = curl_exec($curl);
        curl_close($curl);
        return $return_str;
    }

//将 xml数据转换为数组格式。
    function xml_to_array($xml){
        $reg = "/<(\w+)[^>]*>([\\x00-\\xFF]*)<\\/\\1>/";
        if(preg_match_all($reg, $xml, $matches)){
            $count = count($matches[0]);
            for($i = 0; $i < $count; $i++){
                $subxml= $matches[2][$i];
                $key = $matches[1][$i];
                if(preg_match( $reg, $subxml )){
                    $arr[$key] = xml_to_array( $subxml );
                }else{
                    $arr[$key] = $subxml;
                }
            }
        }
        return $arr;
    }

//random() 函数返回随机整数。
    function random($length = 6 , $numeric = 0) {
        PHP_VERSION < '4.2.0' && mt_srand((double)microtime() * 1000000);
        if($numeric) {
            $hash = sprintf('%0'.$length.'d', mt_rand(0, pow(10, $length) - 1));
        } else {
            $hash = '';
            $chars = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789abcdefghjkmnpqrstuvwxyz';
            $max = strlen($chars) - 1;
            for($i = 0; $i < $length; $i++) {
                $hash .= $chars[mt_rand(0, $max)];
            }
        }
        return $hash;
    }