SpecialUncategorizedCategories.php

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<?php
class SpecialUncategorizedCategories extends SpecialUncategorizedPages {
    private $exceptionList = null;
 
    public function __construct( $name = 'Uncategorizedcategories' ) {
        parent::__construct( $name );
        $this->requestedNamespace = NS_CATEGORY;
    }
 
    private function getExceptionList() {
        if ( $this->exceptionList === null ) {
            $this->exceptionList = [];
            $exList = $this->msg( 'uncategorized-categories-exceptionlist' )
                ->inContentLanguage()->plain();
            $proposedTitles = explode( "\n", $exList );
            foreach ( $proposedTitles as $count => $titleStr ) {
                if ( strpos( $titleStr, '*' ) !== 0 ) {
                    continue;
                }
                $titleStr = preg_replace( "/^\\*\\s*/", '', $titleStr );
                $title = Title::newFromText( $titleStr, NS_CATEGORY );
                if ( $title && $title->getNamespace() !== NS_CATEGORY ) {
                    $title = Title::makeTitleSafe( NS_CATEGORY, $titleStr );
                }
                if ( $title ) {
                    $this->exceptionList[] = $title->getDBkey();
                }
            }
        }
        return $this->exceptionList;
    }
 
    public function getQueryInfo() {
        $dbr = wfGetDB( DB_REPLICA );
        $query = parent::getQueryInfo();
        $exceptionList = $this->getExceptionList();
        if ( $exceptionList ) {
            $query['conds'][] = 'page_title not in ( ' . $dbr->makeList( $exceptionList ) . ' )';
        }
 
        return $query;
    }
 
    public function formatResult( $skin, $result ) {
        $title = Title::makeTitle( NS_CATEGORY, $result->title );
        $text = $title->getText();
 
        return $this->getLinkRenderer()->makeKnownLink( $title, $text );
    }
}