确认产品目录中的字段(正数价格，非空的标题和描述)。

Validation of the fields in the product catalog (positive price, non-blank title and description).

youdao

它对非管理员用户隐藏wordpress的版本信息，并在plugin目录中放置一个空的index . php文件以防止访问者访问plugin目录。

It hides information regarding your WordPress version from non-administrators and plugin directory from visitors by dropping a blank index.php file.

youdao