$this->mFilterCallback = $params['filter-callback'];
}
- if ( isset( $params['flatlist'] ) ) {
- $this->mClass .= ' mw-htmlform-flatlist';
- }
-
if ( isset( $params['hidelabel'] ) ) {
$this->mShowEmptyLabels = false;
}
/**
* Determine the help text to display
* @since 1.20
- * @return string HTML
+ * @return string|null HTML
*/
public function getHelpText() {
$helptext = null;