Update a user’s attribute
There is no need to serialize values, they will be serialized if it is needed. The metadata key can only be a string with underscores. All else will be removed.
Will remove the attribute, if the meta value is empty.
Parameters
| Name | Type | Description |
|---|---|---|
| $user_id | int | User ID |
| $meta_key | string | Metadata key. |
| $meta_value | mixed | Metadata value. |
Return Value
bool: True on successful update, false on failure.