public  function getSpecificationLevelName($specificationid,&$path){
    $specificationList = $this->commonLogic->getLogic('mkt_goods_specification');
    foreach ($specificationList as $specification){
        $name = $specification['specificationname'];
        if($specificationid == $specification['specificationid']){
            if($specification['pid'] !== 0){
                $path = self::getSpecificationLevelName($specificationList[$specification['pid']]['specificationid'],$path);
            }
            $path[] = $name;
        }
    }
    return $path;
}

$specificationArr = [];
$specificationArr = $this->getSpecificationLevelName($item['goodsspecificationid'],$specificationArr);