2020-05-01 / 4107阅 / 悠然
Adds meta data to a user.
(int)
(Required)
User ID.
(string)
(Required)
Metadata name.
(mixed)
(Required)
Metadata value.
(bool)
(Optional)
Whether the same key should not be added.
Default value: false
(int|false) Meta ID on success, false on failure.