*
* @param string|bool $pageName Page name or false (default: false)
*
- * @return string
+ * @return string|null
*/
public function getPageUrl( $pageName = false ) {
$url = $this->getLinkPath();
- if ( $url === false ) {
- return false;
+ if ( $url === null ) {
+ return null;
}
if ( $pageName !== false ) {