常用的基础方法，对象转数组，phpcurl请求

/**
 * CURL方法
 * @param type $url
 * @param type $https
 * @param type $method
 * @param type $data
 * @return type
 */
public function request($url, $https = true, $method = 'get', $data = null)
{
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    if ($https === true) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    }
    if ($method == 'post') {
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    }
    $str = curl_exec($ch);
    curl_close($ch);
    return $str;
}

/**
 * 对象 转 数组
 * @param object $obj 对象
 * @return array
 */
public function objToArr($object)
{
    $object = json_decode(json_encode($object), true);
    return $object;
}

/**
* 获取客户端ip
* @return string 客户端ip地址
* @author lichuang
*/
public function getIp()
{
    $ip = false;
    if (!empty($_SERVER["HTTP_CLIENT_IP"])) {
        $ip = $_SERVER["HTTP_CLIENT_IP"];
    }
    if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
        $ips = explode(",", $_SERVER['HTTP_X_FORWARDED_FOR']);
        if ($ip) {
            array_unshift($ips, $ip);
            $ip = FALSE;
        }
        for ($i = 0; $i < count($ips); $i++) {
            if (!eregi("^(10|172\.16|192\.168)\.", $ips[$i])) {

                $ip = $ips[$i];
                break;
            }
        }
    }
    return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}