How to Upload File in CodeIgniter

 

/////create a tabel 

CREATE TABLE `users` (
 `id` int(11) NOT NULL AUTO_INCREMENT,
 `name` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
 `email` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
 `picture` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
 `created` datetime NOT NULL,
 `modified` datetime NOT NULL,
 `status` tinyint(1) NOT NULL DEFAULT '1' COMMENT '1=Active, 0=Inactive',
 PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

Controller (Users.php):

<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Users extends CI_Controller
{
    function  __construct() {
        parent::__construct();
        $this->load->model('user');
    }
    
    function add(){
        if($this->input->post('userSubmit')){
            
            //Check whether user upload picture
            if(!empty($_FILES['picture']['name'])){
                $config['upload_path'] = 'uploads/images/';
                $config['allowed_types'] = 'jpg|jpeg|png|gif';
                $config['file_name'] = $_FILES['picture']['name'];
                
                //Load upload library and initialize configuration
                $this->load->library('upload',$config);
                $this->upload->initialize($config);
                
                if($this->upload->do_upload('picture')){
                    $uploadData = $this->upload->data();
                    $picture = $uploadData['file_name'];
                }else{
                    $picture = '';
                }
            }else{
                $picture = '';
            }
            
            //Prepare array of user data
            $userData = array(
                'name' => $this->input->post('name'),
                'email' => $this->input->post('email'),
                'picture' => $picture
            );
            
            //Pass user data to model
            $insertUserData = $this->user->insert($userData);
            
            //Storing insertion status message.
            if($insertUserData){
                $this->session->set_flashdata('success_msg', 'User data have been added successfully.');
            }else{
                $this->session->set_flashdata('error_msg', 'Some problems occured, please try again.');
            }
        }
        //Form for adding user data
        $this->load->view('users/add');
    }
}

Model (User.php):

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class User extends CI_Model{
    function __construct() {
        $this->tableName = 'users';
        $this->primaryKey = 'id';
    }
    
    public function insert($data = array()){
        if(!array_key_exists("created",$data)){
            $data['created'] = date("Y-m-d H:i:s");
        }
        if(!array_key_exists("modified",$data)){
            $data['modified'] = date("Y-m-d H:i:s");
        }
        $insert = $this->db->insert($this->tableName,$data);
        if($insert){
            return $this->db->insert_id();
        }else{
            return false;    
        }
    }
}

View (add.php):

<?php echo $this->session->flashdata('success_msg'); ?>
<?php echo $this->session->flashdata('error_msg'); ?>
<form role="form" method="post" enctype="multipart/form-data">
    <div class="panel">
        <div class="panel-body">
            <div class="form-group">
                <label>Picture</label>
                <input class="form-control" type="file" name="picture" />
            </div>
            <div class="form-group">
                <label>Name</label>
                <input class="form-control" type="text" name="name" />
            </div>
            <div class="form-group">
                <label>Email</label>
                <input class="form-control" type="text" name="email" />
            </div>
             <div class="form-group">
                <input type="submit" class="btn btn-warning" name="userSubmit" value="Add">
            </div>
        </div>
    </div>
</form>


Creating Upload Directory:

Create the uploads/images/ directory to storing the uploaded images.