member (controller)

<?php

class Member extends CI_Controller {

    var $valid = false;

    function __construct() {
        parent::__construct();
        $this->load->helper("security");
        $this->load->helper("form");
	$this->load->model("sekolah_model");
        $this->load->model("user_model");
        $this->load->model("member_model");
        $this->load->model("forum_model");
        $this->valid = $this->user_model->isLoggedIn();

		$this->load->model('lang_model');
		if($this->lang_model->getLangDB()=='indonesia'){
			$this->lang->load('mibs','indonesia');
		}elseif($this->lang_model->getLangDB()=='english'){
			$this->lang->load('mibs','english');
		}
    }

	function index_member() {
        if ($this->valid) {
            $url_level = 3;
            $get_vars = $this->uri->segment($url_level);
            if (isset($get_vars)) {
                $data['idmenu'] = $get_vars;
                if (!empty($data['idmenu'])) {
                    $data['priv'] = $this->user_model->getPrivelege($data['idmenu'], $this->session->userdata("uid"));
                    $data['url'] = $data['idmenu'];
                    $this->load->view('sekolah/member/page_member', $data);
                }
                else
                    $this->load->view('pengaturan/home');
            }else
                $this->load->view('pengaturan/home');
        }
        else {
            $this->session->sess_destroy();
            $this->load->view('redirect_logout');
        }
    }

	function view_member() {
        $this->load->library('form_validation');
        if ($this->valid) {
			$data = array (
                "iDisplayLength" => $this->input->post('iDisplayLength'),
                "iDisplayStart" => $this->input->post('iDisplayStart'),
                "sEcho" => $this->input->post('sEcho'),
                "ubah" => $this->uri->segment(3),
                "hapus" => $this->uri->segment(4),
				"condition" => "imember = 1"
            );
			echo $this->member_model->get_json_member($data);
        } else {
            $this->session->sess_destroy();
            $this->load->view('redirect_logout');
        }
    }

    function import_member()
	{
	$error = true;
        if ($this->valid) {
            $url_level = 3;
            $get_vars = $this->uri->ruri_to_assoc($url_level);
            if ($this->security->xss_clean($get_vars['id'])) {
                $data['id'] = $get_vars['id'];
                //$data['url'] = $get_vars['url'];
                if (!empty($data['id'])) {
                    $data['row'] = $this->member_model->load_member($data['id']);
                    if (!empty($data['row'])) {
                        $error = false;
                        $this->load->view('sekolah/member/import_member', $data, $dt);
                    }
                }
            }
        } else {
            $this->session->sess_destroy();
            $this->load->view('redirect_logout');
        }
        if ($error) {
            $this->load->view('sekolah/member/page_member');
        }
	}
}