Collective\Html\FormBuilder::file PHP Метод

    public function file($name, $options = [])
    {
        return $this->input('file', $name, null, $options);
    }

 public function file($name, $options = [])
 {
     $options = $this->setOptionClasses($name, $options, ['form-control form-control-file']);
     $controlOptions = $this->getControlOptions(collect($options), ['placeholder']);
     $controlHtml = parent::file($name, $controlOptions->toArray());
     return $this->renderControl('file', $controlHtml, $name, '', $options);
 }