Ejemplo n.º 1
0
 public static function instance()
 {
     if (!self::$instance) {
         self::$instance = new Helper_CSV();
     }
     return self::$instance;
 }
Ejemplo n.º 2
0
 public function action_csv()
 {
     $this->auto_render = FALSE;
     $id = (int) Request::current()->param('id');
     $orm_form = ORM::factory('form', $id);
     if (!$orm_form->loaded()) {
         throw new HTTP_Exception_404();
     }
     $fields = array_flip(array('id', 'email', 'text', 'created'));
     $labels = Arr::overwrite($fields, $orm_form->responses->labels());
     $list = $orm_form->responses->find_all();
     $queue = array();
     Database::instance()->set_charset('cp1251');
     foreach ($list as $_orm) {
         $_values = array_map('Helper_CSV::escape', $_orm->as_array());
         $_values = array_intersect_key($_values, $fields);
         $_item = array_combine($labels, $_values);
         $queue[] = array_filter($_item);
     }
     Database::instance()->set_charset('utf8');
     Helper_CSV::instance()->send($queue);
 }