File Upload Using Blob and Folder in Codeigniter

Controller:-

  if(!empty($_FILES['product_image']['name'])){
                $config['upload_path'] = 'uploads/';
                $config['allowed_types'] = 'jpg|jpeg|png|gif';
                $config['file_name'] = $_FILES['product_image']['name'];
               
                //Load upload library and initialize configuration
                $this->load->library('upload',$config);
                $this->upload->initialize($config);
               
                if($this->upload->do_upload('product_image')){
                    $uploadData = $this->upload->data();
                    //print_r($uploadData['full_path']);die;
                    $product_image = file_get_contents($uploadData['full_path']);
                   
                }else{
                    $product_image = '';
                }
            }else{
                $product_image = '';
            } 

View:

Add in Form

 <form role="form"  class="form" action="" method="post" enctype="multipart/form-data">

 <div class="form-group">
                            <label for="product_image">Product Image</label>
                            <input type="file" class="form-control" name="product_image" placeholder="Enter title" />
                        </div>