how to pass array from controller to view in codeigniter - image

Question

i want to upload file in codeigniter and want to show error in view file but display error array is not displaying at view file. when uploading file is failed, relevant error is not display at view
function add_model()
{
$this->checkuser();
if(isset($_POST['add_model']))
{
$config['upload_path'] = 'uploads/model/';
$config['allowed_types'] = 'gif|jpg|png|jpeg';
$config['max_size'] = '1000';
$config['max_width'] = '1024';
$config['max_height'] = '768';
$config['file_name'] = rand(1111, 99999).'_'.$_FILES['userfile']['name'];
$config['overwrite'] = TRUE;
$config['encrypt_name'] = TRUE;
$config['remove_spaces'] = TRUE;
$this->load->library('upload', $config);
$this->upload->initialize($config);
$mDate = date('Y-m-d H:i:s');
$this->form_validation->set_rules('model_name', 'Model Name', 'trim|xss_clean|required');
$this->form_validation->set_rules('model_slug', 'Model Slug', 'trim|xss_clean|required');
if($this->form_validation->run() && $this->upload->do_upload())
{
$temp = $this->upload->data('userfile');
$model_image = $temp['file_name'];
$data = array(
'model_name' => $this->input->post('model_name'),
'model_image' => $model_image,
'brand_id' => $this->input->post('brand_id'),
'model_slug' => $this->toAscii($this->input->post('model_slug'))
);
$this->model_model->addmodel($data);
redirect('admin/model/model_listing');
}
else
{
$data['errors'] = array('error' => $this->upload->display_errors());
$data['brands'] = $this->model_model->allbrand();
$data['page_title'] = 'Add Content';
$this->load->view('admin/add_model', $data);
}
}
else
{
$data['errors'] = $this->upload->display_errors();
$data['brands'] = $this->model_model->allbrand();
$data['page_title'] = 'Add Content';
$this->load->view('admin/add_model', $data);
}
}
given below is the code of view file where i want to show error
<?php
if(validation_errors())
{
echo validation_errors('<div class="alert alert-error">', '</div>');
echo '<div class="alert alert-error">'.$error.'</div>';
}
if($errors)
{
foreach ($errors as $error)
{
echo '<div class="alert alert-error">'.$error.'</div>';
}
}
?>
i am using both validation error and display error at the same time

Answer 1

change this if condition
if($this->form_validation->run() && $this->upload->do_upload())
{
to this
if($this->form_validation->run() && $this->upload->do_upload('name'))
{
do_upload function requires name of field to upload image..