wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Application\Serialization;

use Wikibase\Repo\RestApi\Application\Serialization\Exceptions\InvalidFieldException;

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

    /**
     * @throws InvalidFieldException
     */
    public function deserialize( array $serialization, string $basePath ): array {
        if ( !count( $serialization ) || !array_is_list( $serialization ) ) {
            $parts = explode( '/', $basePath );
            throw new InvalidFieldException( $parts[array_key_last( $parts )], $serialization, $basePath );
        }

        $aliases = [];
        foreach ( $serialization as $index => $alias ) {
            if ( !is_string( $alias ) ) {
                throw new InvalidFieldException( (string)$index, $alias, "$basePath/$index" );
            }

            $alias = trim( $alias );
            if ( $alias === '' ) {
                throw new InvalidFieldException( (string)$index, $alias, "$basePath/$index" );
            }

            if ( !in_array( $alias, $aliases ) ) {
                $aliases[] = $alias;
            }
        }

        return $aliases;
    }

}