/** * @param string $name * @param string $label * @param string $namespace * @return MultiUpload * @throws FormException */ public function addMultiImageUpload($name, $label, $namespace = NULL) { if (!class_exists(MultiUpload::class)) { throw new FormException('Install the extension via webchemistry/images.'); } $control = new MultiUpload($label); $control->setNamespace($namespace); return $this[$name] = $control; }