2020-05-02 / 5771阅 / 悠然
确定是否将元密钥视为受保护的。
(string)
(Required)
Metadata key.
(string)
(Optional)
Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.
Default value: ''
(bool) Whether the meta key is considered protected.