/**
* Get the HTML text of the description page, if available
*
- * @param bool|Language $lang Optional language to fetch description in
+ * @param Language|null $lang Optional language to fetch description in
* @return string|false
*/
- function getDescriptionText( $lang = false ) {
+ function getDescriptionText( Language $lang = null ) {
global $wgLang;
if ( !$this->repo || !$this->repo->fetchDescription ) {
return false;
}
- $lang = $lang ?: $wgLang;
+ $lang = $lang ?? $wgLang;
$renderUrl = $this->repo->getDescriptionRenderUrl( $this->getName(), $lang->getCode() );
if ( $renderUrl ) {