wikimedia/mediawiki-extensions-Wikibase

<?php
declare( strict_types=1 );

namespace Wikibase\Repo\FederatedProperties;

use Wikibase\DataModel\Entity\EntityIdParsingException;

/**
 * @license GPL-2.0-or-later
 */
class BaseUriExtractor {

    public function getBaseUriFromSerialization( string $idSerialization ): string {
        $urlPath = parse_url( $idSerialization, PHP_URL_PATH );
        $urlQuery = parse_url( $idSerialization, PHP_URL_QUERY );
        $urlFragment = parse_url( $idSerialization, PHP_URL_FRAGMENT );
        if ( is_string( $urlPath ) && $urlQuery === null && $urlFragment === null ) {
            return $this->removeLastPartOfUrl( $idSerialization );
        } else {
            throw new EntityIdParsingException(
                'Entity serialization is a URI but does not appear to look like a Wikibase Concept URI: ' .
                $idSerialization
            );
        }
    }

    private function removeLastPartOfUrl( string $idSerialization ): string {
        $url = explode(
            '/',
            $idSerialization
        );
        array_pop( $url );
        return implode( '/', $url ) . '/';
    }

}