static public function fetchRelatedObjectsID( $objectID, $attributeID, $allRelations)
    {
        if ( !is_array( $allRelations ) || $allRelations === array() )
        {
            $allRelations = array( 'common', 'xml_embed', 'attribute' );
            if ( eZContentObject::isObjectRelationTyped() )
            {
                $allRelations[] = 'xml_link';
            }
        }

        $relatedObjectsTyped = array();
        foreach ( $allRelations as $relationType )
        {
            $relatedObjectsTyped[$relationType] =
                eZContentFunctionCollection::fetchRelatedObjects( $objectID, $attributeID, array( $relationType ), false, array() );
        }

        $relatedObjectsTypedIDArray = array();
        foreach ( $relatedObjectsTyped as $relationTypeName => $relatedObjectsByType )
        {
            $relatedObjectsTypedIDArray[$relationTypeName] = array();
            foreach ( $relatedObjectsByType['result'] as $relatedObjectByType )
            {
                $relatedObjectsTypedIDArray[$relationTypeName][] = $relatedObjectByType->ID;
            }
        }

        return array( 'result' => $relatedObjectsTypedIDArray );
    }