Create.php

<?php if(defined('BASEPATH')) exit('No direct script access allowed');

class Create extends My_Controller{
    function __contruct(){
        parent:: __construct();
        $this->load->helper(array('string'));
        $this->load->library('form_validation');
        $this->load->library('image_lib');
        $this->load->model('Image_model');
        $this->form_validation->set_error_delimiters(
        '<div class="alert alert-danger">'.'</div>');
    }

    public function index(){
        $page_data = array('fail' => false,
        'success'=> false );
        $this->load->view('common/header');
        $this->load->view('nav/top_nav');
        $this->load->view('create/create', $page_data);
        $this->load->view('common/footer');
    }

    public function do_upload(){
        $upload_to="/var/www/fotoshare.local/upload/";
        do{
            $code = random_string('alnum', 8);
            $dir = scandir($upload_dir);

            if(in_array($code, $dir)){
                $img_dir_name = false;
            }else{
                $img_dir_name = $code;
            }

        }while($img_dir_name==false);


        if(!mkdir($upload_dir.$img_dir_name)){
            $page_data = array('fail'=> $this->lang->line(
            'encode_upload_mkdir_error'),
            'success'=> false);
            $this->load->view('common/header');
            $this->load->view('nav/top_nav');
            $this->load->view('create/create', $page_data);
            $this->load->view('common/footer');
        }

        $config['upload_path'] =$upload_dir.$img_dir_name;
        $config['allowed_type'] = 'gif|jpg|jpeg|png';
        $config['max_size'] = '10000';
        $config['max_width'] = '1024';
        $config['max_height'] = '768';

        $this->load->library('upload', $config);

        if(! $this->upload->do_upload()){

            $page_data = array('fail'=>$this->upload->display_errors(),
            'success'=> false
            );

            $this->load->view('common/header');
            $this->load->view('nav/top_nav');
            $this->load->view('create/create', $page_data);
            $this->load->view('common/footer');
        }else{
            $image_data = $this->upload->data();
            $page_data['result'] = $this->Image_model->save_image(
                array('image_name'=> $image_data['file_name'],
                'img_dir_name'=> $img_dir_name)
            );
            $page_data['file_name']=$image_data['file_name'];
            $page_data['img_dir_name'] = $img_dir_name;


            if($page_data['result'] == false){
                $page_data = array('fail'=>
                $this->lang->line('encode_upload_general_error'));
                $this->load->view('common/header');
                $this->load->view('nav/top_nav');
                $this->load->view('create/create', $page_data);
                $this->load->view('common/footer');
            }
        }

    }
}

?>