<?php 
class R_download_subcon extends MY_Controller {
    function __construct()
    {
        parent::__construct();
        $this->response = array("status" => "ERR", "message" => "");
    }
    function reply($compress = true) {
        if ($compress) {
            echo  gzdeflate(json_encode($this->response));
            exit;
        } 
        echo json_encode($this->response);
    }
    function get_one_row($sql, $param = false)
    {
        list($status, $msg) = $this->get_rows($sql . " limit 0,1 ", $param);
        if ($status == -1) return array($status, $msg);
        if (count($msg) == 0) return array(0, array());
        return array(1, $msg[0]);
    }
    function get_rows($sql, $param = false)
    {
        if ($param) {
            $qry = $this->db->query($sql, $param);
        } else {
            $qry = $this->db->query($sql);
        }
        if (!$qry) {
            return array(-1, $this->db->error()["message"] . "|" . $this->db->last_query());
        }
        return array(0, $qry->result_array());
    }
    function exec_query($sql, $param = false)
    {
        if ($param) {
            $qry = $this->db->query($sql, $param);
        } else {
            $qry = $this->db->query($sql);
        }
        if (!$qry) {
            return array(false, $this->db->error()["message"] . "|" . $this->db->last_query());
        }
        return array(true, "");
    }
    function get_param() {
        return json_decode(file_get_contents("phpinput://"),true);
    }
    function index() {
        $prm = $this->get_param();
        print_r($prm);
    }    
}