using codeigniter file upload library and PHP Zipachive library

<?php
class Unzip extends CI_Controller {
 function __construct()
 {
  parent::__construct();
        // load ci's Form and Url Helpers
  $this->load->helper(array('form', 'url'));
 }
 function index()
 {
  $this->load->view('unzip/upload_form_view', array('error' => ' ' ));
 }
 function file_upload()
 {
  $config['upload_path'] = './upload/';
  $config['allowed_types'] = 'zip';
  $config['max_size'] = '';
  
  $this->load->library('upload', $config);
  if ( ! $this->upload->do_upload())
  {
   $error = array('error' => $this->upload->display_errors());
   $this->load->view('unzip/upload_form_view', $error);
  }
  else
  {
  $data = array('upload_data' => $this->upload->data());
  $zip = new ZipArchive;
  $file = $data['upload_data']['full_path'];
  chmod($file,0777);
  if ($zip->open($file) === TRUE) {
    $zip->extractTo('./upload/');
    $zip->close();
    echo 'ok';
  } else {
    echo 'failed';
 }
 $this->load->view('unzip/upload_success_view');
}
 }
}
?>

Author : PUBG Information

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