/** * 获取客户端IP地址 * @return string */ 

function get_client_ip() {
      

    if(getenv('HTTP_CLIENT_IP')){
      

        $client_ip = getenv('HTTP_CLIENT_IP'); 

    } elseif(getenv('HTTP_X_FORWARDED_FOR')) {
      

        $client_ip = getenv('HTTP_X_FORWARDED_FOR'); 

    } elseif(getenv('REMOTE_ADDR')) {

        $client_ip = getenv('REMOTE_ADDR'); 

    } else {

        $client_ip = $_SERVER['REMOTE_ADDR'];

    } 

    return $client_ip; 

}   

/**

* 获取服务器端IP地址

* @return string */ 

function get_server_ip() {
      

    if (isset($_SERVER)) {
      

        if($_SERVER['SERVER_ADDR']) {

            $server_ip = $_SERVER['SERVER_ADDR']; 

        } else {
      

            $server_ip = $_SERVER['LOCAL_ADDR']; 

        } 

    } else {
      

        $server_ip = getenv('SERVER_ADDR');

    } 

    return $server_ip; 

}