wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Lib\Formatters;

use DataValues\MonolingualTextValue;
use InvalidArgumentException;
use ValueFormatters\ValueFormatter;

/**
 * @license GPL-2.0-or-later
 * @author Thiemo Kreuz
 */
class MonolingualWikitextFormatter implements ValueFormatter {

    /**
     * @see ValueFormatter::format
     *
     * @param MonolingualTextValue $value
     *
     * @throws InvalidArgumentException
     * @return string Wikitext
     */
    public function format( $value ) {
        if ( !( $value instanceof MonolingualTextValue ) ) {
            throw new InvalidArgumentException( '$value must be a MonolingualTextValue' );
        }

        $text = $value->getText();
        $languageCode = $value->getLanguageCode();

        return '<span lang="' . wfEscapeWikiText( $languageCode ) . '">'
            . wfEscapeWikiText( $text ) . '</span>';
    }

}