php - upload image in codeigniter -


i'm trying upload image in codeigniter, got problem in , $this->upload->do_upload('imgname'). if condition not execute, elese execute , show error message 'you did not selected file upload'. while remove form upload in code execute perfectly....

controller:

public function add_news()     {             $post = $this->input->post();              unset($post['submit']);              $this->load->model('adminmodel','addnews');             if(!is_dir('uploads'))             {                 mkdir(base_url().'uploads',0777,true);             }             if(!is_dir('uploads/news'))             {                 mkdir('uploads/news',0777,true);             }               $config = [                          'upload_path'=>'uploads/news',                         'allowed_types'=>'png|jpg|jpeg|gif',                         'encrypt_name'=>'0777',                       ];              $this->load->library('upload', $config);             if($this->upload->do_upload('newsimg'))             {                 $data = $this->upload->data();                 $file_path = base_url().'uploads/news/'.$data["raw_name"].$data["file_ext"];                 $post['newsimg'] = $file_path;                 //$this->revedit->reg_info($id,$post);                 $post['posted'] = date('d-m-y');                 $this->addnews->store_news($post);                 $this->session->set_flashdata('newsalert','yeh! news added successfully.');                 redirect('admin/news');             }             else             {                  $newsdata = $this->addnews->news_list();                 $upload_error = $this->upload->display_errors();                   $this->load->view('admin/news',compact('upload_error','newsdata'));             }}

view:

<?=form_open('admin/add_news',['class'=>'form'],['aid'=>$this->session->userdata('adminid')])?>      <div class="row">       <div class="col-sm-12">         <div class="form-group">           <label>news heading</label>           <?=form_input(['name'=>'title','class'=>'form-control','placeholder'=>'enter news title','value'=>set_value('title')])?>           </div>          <div class="form-group">           <label>news details</label>           <?=form_textarea(['name'=>'body','class'=>'form-control','placeholder'=>'enter news body','value'=>set_value('body')])?>           </div>               <div class="form-group col-sm-3">                 <div class="fileupload btn btn-primary" data-toggle="tooltip" data-placement="top" title="pdf file only">                   <span><i class="fa fa-cloud-upload" aria-hidden="true"></i>&nbsp;select file&nbsp;<span id="percentage" class="percentage text-center"></span></span>                   <?=form_upload(['name'=>'newsimg','class'=>'upload','id'=>'file1','onchange'=>'loadpdf(event)'])?>                  </div>               </div>                 <div class="col-sm-12">                 <div id="myprogress" class="progress">                   <div id="mybar" class="bar progress-bar" role='progressbar'>                     </div>                 </div>               </div>               </div>     </div>   </div>   <div class="modal-footer">     <?=form_reset('reset','reset',['class'=>'btn btn-md btn-primary'])?>     <?=form_submit('submit','post',['class'=>'btn btn-md btn-success'])?>   </div> <?=form_close()?>

model:

public function store_news($array) {     return $this->db->insert('tbl_news', $array); }

you not using enctype='multipart/form-data' try this

<?=form_open_multipart('admin/add_news',['class'=>'form'],['aid'=>$this->session->userdata('adminid')])?>

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