Not able to insert image path into database in codeigniter - codeigniter

Question

class Stud_controller extends CI_Controller {
function __construct(){
parent::__construct();
$this->load->helper('url');
$this->load->database();
}
public function index()
{
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load->helper('url');
$this->load->view('Stud_view',$data);
}
public function add_student_view()
{
$this->load->helper('form');
$this->load->view('Stud_add');
}
public function add_student()
{
$this->load->helper('form');
$this->load->library('form_validation');
$this->load->model('Stud_Model');
//$this->load->library('upload', $config);
$config['upload_path'] = './uploads/';
$target_file['image'] = $config['upload_path'] . basename($_FILES["fileToUpload"]["name"]);
$config['allowed_types'] = 'gif|jpg|jpeg|png|pdf|doc';
$config['max_size'] = 1000;
$config['max_width'] = 1300;
$config['max_height'] = 1024;
$this->load->library('upload', $config);
if ( ! $this->upload->do_upload('fileToUpload'))
{
echo "fail";
//$this->load->view('upload', $error);
}
else
{
echo "success";
echo $target_file['image'] ;
//$QueryInsertFile="INSERT INTO stud SET image='$target_file'";
// $this->load->view('success', $data);
}
$data = array(
'roll_no' => $this->input->post('roll_no'),
'name' => $this->input->post('name'),
$target_file['image'] =>$data['image']
);
$this->Stud_Model->insert($data);
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load->view('Stud_view',$data);
}
public function update_student_view(){
$this->load->helper('form');
$roll_no = $this->uri->segment('3');
$query = $this->db->get_where("stud",array("roll_no"=>$roll_no));
$data['records'] = $query->result();
$data['old_roll_no'] = $roll_no;
$this->load->view('Stud_edit',$data);
}
public function update_student(){
$this->load->model('Stud_Model');
$data = array(
'roll_no' => $this->input->post('roll_no'),
'name' => $this->input->post('name')
);
$old_roll_no = $this->input->post('old_roll_no');
$this->Stud_Model->update($data,$old_roll_no);
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load->view('Stud_view',$data);
}
public function delete_student(){
$this->load->model('Stud_Model');
$roll_no = $this->uri->segment('3');
$this->Stud_Model->delete($roll_no);
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load->view('Stud_view',$data);
}
}

Answer 1

this line is error
$target_file['image'] =>$data['image']
replace into
'image'=>$_target_file['image]