add_user_meta( int $user_id, string $meta_key, mixed $meta_value, bool $unique = false )
Adds meta data to a user.
Parameters
- $user_id
-
(int) (Required) User ID.
- $meta_key
-
(string) (Required) Metadata name.
- $meta_value
-
(mixed) (Required) Metadata value. Must be serializable if non-scalar.
- $unique
-
(bool) (Optional) Whether the same key should not be added.
Default value: false
Return
(int|false) Meta ID on success, false on failure.
Source
File: wp-includes/user.php
function add_user_meta( $user_id, $meta_key, $meta_value, $unique = false ) {
return add_metadata( 'user', $user_id, $meta_key, $meta_value, $unique );
}
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Changelog
| Version | Description |
|---|---|
| 3.0.0 | Introduced. |
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