$ret = null;
$dummy = new DummyLinker();
$title = Title::newFromLinkTarget( $target );
- $realHtml = $html = HtmlArmor::getHtml( $text );
+ if ( $text !== null ) {
+ $realHtml = $html = HtmlArmor::getHtml( $text );
+ } else {
+ $realHtml = $html = null;
+ }
if ( !Hooks::run( 'LinkBegin',
[ $dummy, $title, &$html, &$extraAttribs, &$query, &$options, &$ret ] )
) {