$themes = ExtensionRegistry::getInstance()->getAttribute( 'SkinOOUIThemes' );
// Make keys (skin names) lowercase for case-insensitive matching.
$themes = array_change_key_case( $themes, CASE_LOWER );
- $theme = isset( $themes[ $skinName ] ) ? $themes[ $skinName ] : 'MediaWiki';
+ $theme = isset( $themes[$skinName] ) ? $themes[$skinName] : 'MediaWiki';
// For example, 'OOUI\MediaWikiTheme'.
$themeClass = "OOUI\\{$theme}Theme";
OOUI\Theme::setSingleton( new $themeClass() );