getting the value of a array from controller to view with ajax in codeigniter

Question

I am creating a status update system where i need to upload a image as well as show it when it uploads all using ajax but when i send the image it goes to the database but i cannot access the image in the ajax return

here is the code

 <div class="tab-pane fade" id="tabs-2">
    <?php echo form_open_multipart('',["id"=>"formupload","name"=>"formupload"]); ?>
    <p class="formUnit"> <i class="active_pic"></i>

    <input type="hidden" name="id" value="<?php echo $id; ?>">    
    <button class="uibutton" type="button" id="upload_pic" style="width: 230px; height: 150px;">Upload Picture</button><span id="status"></span>
    <?php echo form_upload(["name"=>"imagefile","id"=>"upload_pic"  ]); ?>
    <ol class="controls clearfix">
    <?php echo form_submit(['name'=>'submit','value'=>'Submit',"class"=>"btn btn-primary"]); ?>
    </ol>
    </p>
    <p id="files"></p>
    <?php echo form_close(); ?>
</div>

now ajax

 jQuery('#formupload').submit(function(e){

        e.preventDefault();
        var formData = new FormData(this);
        var url= '<?php echo base_url("user/postData_image"); ?>';
        formData.value

        jQuery.ajax({

            type: "POST",
            url:url,
            data: formData,
            cache: false,
            contentType: false,
            processData: false,
            success: function(data)
            {
                console.log(data);
                $('#output_post').attr('src',data);
      },
            error: function(data){
            //error function
          }
       });            
    });

now controller

public function postData_image()
  {
      $config = [
                  'upload_path' =>    './uploads/',
                  'allowed_types' =>    'jpg|gif|png|jpeg',
                  'max_size'            => 10000000000000,
                  'max_width'            => 1024000000,
                  'max_height'           => 7680000000,
                ];
              $this->load->library('upload', $config);
              $this->upload->initialize($config); 
              $imagefile="imagefile";
        if(!$this->upload->do_upload($imagefile)) 
         {
          $upload_error = $this->upload->display_errors();
          $this->load->view('dashboard/profile',compact('upload_error'));
         }
        else 
         {
          $post = $this->input->post();
          //print_r($post);
          unset($post['submit']);
          $upload_data = $this->upload->data();
          $file_name=$_FILES['imagefile'];
          $this->load->model('Pmodel');
          $post_data=$this->Pmodel->post_data_image($post,$file_name);
          $post['data']=$post_data;

          echo $image_path= base_url("uploads/".$upload_data['raw_name'].$upload_data['file_ext']);
          return $post;

         }

  }

model

public function post_data_image($arr,$arra)
{

    $id=$arr['id'];
    $image=$arra['name'];

$data=array('image'=>$image);


    $query=$this->db->insert('post_status',['user_id'=>$id,'image'=>$image]);
    return $query;
}

but how to return the value that is generated after insert in the database using ajax

Callombert · Accepted Answer · 2017-02-10 16:11:31Z

2

You want to output your post as json so jquery can interpret it.

  echo json_encode($post);

To your ajax function add:

dataType: 'json'

And then data will be an array you can use.

answered Feb 10, 2017 at 16:11

Callombert

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4 Comments

Himanshu Goyal Over a year ago

if i echo json_encode($post) it shows this in the response {"id":"1","data":true}

Himanshu Goyal Over a year ago

but how can i access that data in my view using foreach?

ourmandave Over a year ago

@HimanshuGoyal Loop through json array in jquery

Himanshu Goyal Over a year ago

sorry still wont let the data pass

Himanshu Goyal · Accepted Answer · 2017-02-17 14:19:39Z

0

Thanx to @Callombert i got the answer for what i was looking i wanted to return the value and 'echo json_encode('$image_path) or $post would return the value in the json form thus you cacn access it in your view

for someone else looking for an answer just add echo json_encode($image_path);

To your ajax function add:

dataType: 'json'

this would get you working.

answered Feb 17, 2017 at 14:19

Himanshu Goyal

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