add_user_meta( int $user_id, string $meta_key, mixed $meta_value, bool $unique = false ): int|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: false


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Return

int|false Meta ID on success, false on failure.


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Source

File: wp-includes/user.php. View all references

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

Changelog
Version Description
3.0.0 Introduced.

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