Массив

    if( !is_null($deco['creators']) )
    {

        $director = array();
        $actor = array();
        $producer = array();
        $voice_director = array();
        $voice = array();
        $writer = array();
        $operator = array();
        $composer = array();
        $design = array();
        $editor = array();

        foreach( $deco['creators'] as $key => $value )
        {

            if( $value )
            {

                for( $i = 0, $k = 0; $i < count($value); $i++ )
                {

                    if( !$value[$i]['name_person_ru'] && !$value[$i]['name_person_en'] )
                        continue;

                    $title_ = ( !$value[$i]['name_person_ru'] ) ? $value[$i]['name_person_en'] : $value[$i]['name_person_ru'];

                    ${$key}[] = $title_;

                }

            }

        }

    }