Post对象主要是查询的行wp_posts 包含一些附加项的数据库表。很容易转储其中的内容并查看：

object(stdClass)
      public \'ID\' => int
      public \'post_author\' => string
      public \'post_date\' => string
      public \'post_date_gmt\' => string
      public \'post_content\' => string
      public \'post_title\' => string
      public \'post_excerpt\' => string
      public \'post_status\' => string
      public \'comment_status\' => string
      public \'ping_status\' => string
      public \'post_password\' => string
      public \'post_name\' => string
      public \'to_ping\' => string
      public \'pinged\' => string
      public \'post_modified\' => string
      public \'post_modified_gmt\' => string
      public \'post_content_filtered\' => string
      public \'post_parent\' => int
      public \'guid\' => string
      public \'menu_order\' => int
      public \'post_type\' => string
      public \'post_mime_type\' => string
      public \'comment_count\' => string
      public \'filter\' => string