UploadMultiTag

<?php

class UploadMultiTag extends CI_Controller
{
    public $success = array(
        'status' => 'success',
    );

    public $fail = array(
        'status' => 'fail',
    );

    public $result = false;

    public function __construct()
    {
        parent::__construct();

    }

    public function index()
    {

        $username = $this->input->post('username');
        $email = $this->input->post('email');
        $password = $this->input->post('password');


       if (!empty($username) && !empty($password) && !empty($email) && !empty($_FILES["userfile1"]) && !empty($_FILES["userfile2"]) && !empty($_FILES["userfile2"])) {
        $this->success['username'] = $username;
        $this->success['password'] = $password;
        $this->success['email'] = $email;
            $this->do_upload();
        } else {
            $this->result = false;
            print_r(json_encode($this->fail));
        }
    }

    public function do_upload()
    {
        $config['upload_path'] = './uploads/';
        $config['allowed_types'] = 'gif|jpg|png';
        $config['max_size'] = 10000;
        $config['max_width'] = 10240;
        $config['max_height'] = 7680;
        $config['encrypt_name'] = true;

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

        if ($this->upload->do_upload('userfile1')) {
            $upload_data = $this->upload->data();
            $file_name = $upload_data['file_name'];
            $this->success['userfile1'] = $file_name;
            $this->result = true;
        } else {
            $this->result = false;
        }

        if ($this->upload->do_upload('userfile2')) {
            $upload_data = $this->upload->data();
            $file_name = $upload_data['file_name'];
            $this->success['userfile2'] = $file_name;
            $this->result = true;
        } else {
            $this->result = false;
        }

        if ($this->upload->do_upload('userfile3')) {
            $upload_data = $this->upload->data();
            $file_name = $upload_data['file_name'];
            $this->success['userfile3'] = $file_name;
            $this->result = true;
        } else {
            $this->result = false;
        }

        if ($this->result === true) {
            print_r(json_encode($this->success));
        } else {
            print_r(json_encode($this->fail));
        }
    }


}