adding multiple images in codeigniter not saving images code example

Example: Multiple image upload with CodeIgniter

views
---------

<?php echo validation_errors();?>
<?php echo form_open_multipart('pages/multiple_files');?>
<p><input type="file" multiple="multiple" name="image_name[]" class="form-control" /></p>

<input type="submit" class="btn btn-success btn-block"/> 
</form>

Controller
----------

public function multiple_files(){
  $this->load->library('upload');
  $image = array();
  $ImageCount = count($_FILES['image_name']['name']);
        for($i = 0; $i < $ImageCount; $i++){
            $_FILES['file']['name']       = $_FILES['image_name']['name'][$i];
            $_FILES['file']['type']       = $_FILES['image_name']['type'][$i];
            $_FILES['file']['tmp_name']   = $_FILES['image_name']['tmp_name'][$i];
            $_FILES['file']['error']      = $_FILES['image_name']['error'][$i];
            $_FILES['file']['size']       = $_FILES['image_name']['size'][$i];

            // File upload configuration
            $uploadPath = './assets/images/profiles/';
            $config['upload_path'] = $uploadPath;
            $config['allowed_types'] = 'jpg|jpeg|png|gif';

            // Load and initialize upload library
            $this->load->library('upload', $config);
            $this->upload->initialize($config);

            // Upload file to server
            if($this->upload->do_upload('file')){
                // Uploaded file data
                $imageData = $this->upload->data();
                 $uploadImgData[$i]['image_name'] = $imageData['file_name'];

            }
        }
         if(!empty($uploadImgData)){
            // Insert files data into the database
            $this->pages_model->multiple_images($uploadImgData);              
        }
  }
  
Model
---------
  public function multiple_images($image = array()){

     return $this->db->insert_batch('profile_images',$image);
             }