URL、表单数据、IP等处理类 - 郑宏鑫erke

php
class ev
{
    public $cookie;
    public $post;
    public $get;
    public $file;
    public $url;
    public $G;
    private $e;

    public function __construct()
    {if (ini_get('magic_quotes_gpc')) {  //判断php.ini是否有magic_quotes_gpc过滤（转义）函数
            $get    = $this->stripSlashes($_REQUEST);
            $post   = $this->stripSlashes($_POST);
            $this->cookie = $this->stripSlashes($_COOKIE);
        } else {
            $get    = $_REQUEST;
            $post   = $_POST;
            $this->cookie = $_COOKIE;
        }

        $this->file = $_FILES;
        $this->get = $this->initData($get);
        $this->post = $this->initData($post);
        $this->url = $this->parseUrl();
        $this->cookie = $this->initData($this->cookie);
    }

    //解析url
    public function parseUrl()
    {
        if(isset($_REQUEST['route']))
        {
            return explode('-',$_REQUEST['route']);  //解析路由
        }
        elseif(isset($_SERVER['QUERY_STRING']))
        {
            $tmp = explode('#',$_SERVER['QUERY_STRING'],2);
            $tp = explode('&',$tmp[0],2);
            return explode('-',$tp[0]);
        }
        else return false;
    }

    //返回$_REQUEST数组内的值
    public function get($par)
    {
        if(isset($this->get[$par]))return $this->get[$par];
        else return false;
    }

    //返回$_POST数组内的值
    public function post($par)
    {
        if(isset($this->post[$par]))return $this->post[$par];
        else return false;
    }

    //返回URL数组中的值
    public function url($par)
    {
        $par = intval($par);
        if(isset($this->url[$par]))return $this->url[$par];
        else return false;
    }

    //设置COOKIE
    public function setCookie($name,$value,$time=3600)
    {
        if($time)$time = TIME + $time;
        else $time = 0;
        if(CDO)setCookie(CH.$name,$value,$time,CP,CDO);
        else setCookie(CH.$name,$value,$time,CP);
    }

    //获取cookie
    public function getCookie($par,$nohead = 0)
    {
        if(isset($this->cookie[CH.$par]))return $this->cookie[CH.$par];
        elseif(isset($this->cookie[$par]) && $nohead)return $this->cookie[$par];
        else return false;
    }

    //获取$_FILE
    public function getFile($par)
    {
        if(isset($this->file[$par]))return $this->file[$par];
        else return false;
    }

    //初始化数据
    public function initData($data)
    {
        if(is_array($data))
        {
            foreach($data as $key => $value)
            {
                if($this->strings->isAllowKey($key) === false)
                {
                    unset($data[$key]);
                }
                else
                $data[$key] = $this->initData($value);
            }
            return $data;
        }
        else
        {
            if(is_numeric($data))
            {
                if($data[0] === 0)return $this->addSlashes(htmlspecialchars(str_replace("'","'",$data)));
                if(strlen($data) >= 11)return $this->addSlashes(htmlspecialchars(str_replace("'","'",$data)));
                if(strpos($data,'.'))return floatval($data);
                else return intval($data);
            }
            if(is_string($data))return $this->addSlashes(htmlspecialchars(str_replace("'","'",$data)));
            if(is_bool($data))return (bool)$data;
            return false;
        }
    }

    //去除转义字符
    public function stripSlashes($data)
    {
        if (is_array($data)) {
              foreach ($data as $key => $value) {
                $data[$key] = $this->stripSlashes($value);
              }
        } else {
              $data = stripSlashes(trim($data));
        }

        return $data;
    }

    //添加转义字符
    public function addSlashes($data)
    {
        if (is_array($data)) {
              foreach ($data as $key => $value) {
                $data[$key] = $this->addSlashes($value);
              }
        } else {
              $data = addSlashes(trim($data));
        }
        return $data;
    }

    //获取客户端IP
    public function getClientIp()
    {
        if(!isset($this->e['ip']))
        {
            if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
                $ip = getenv("HTTP_CLIENT_IP");
            else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
                $ip = getenv("HTTP_X_FORWARDED_FOR");
            else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
                $ip = getenv("REMOTE_ADDR");
            else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
                $ip = $_SERVER['REMOTE_ADDR'];
            else
                $ip = "unknown";
            $this->e['ip'] = $ip;
        }
        return $this->e['ip'];
    }

    //根据二级域名获取信息
    public function getSecondDomain()
    {
        $domain = $_SERVER['HTTP_HOST'];
        $domain = str_replace(array('com.cn','net.cn','gov.cn','org.cn'),'com',$domain);
        $tmp = explode('.',$domain);
        if(count($tmp) 3)return false;
        elseif(is_numeric($tmp[0]))return false;
        else return $tmp[0];
    }
}
?>