update_user_caches( object|WP_User $user )

Updates all user caches.

Parameters

$user

(Required) User object or database row to be cached

Return

(void|false) Void on success, false on failure.

Source

File: wp-includes/user.php 

function update_user_caches( $user ) {
	if ( $user instanceof WP_User ) {
		if ( ! $user->exists() ) {
			return false;
		}

		$user = $user->data;
	}

	wp_cache_add($user->ID, $user, 'users');
	wp_cache_add($user->user_login, $user->ID, 'userlogins');
	wp_cache_add($user->user_email, $user->ID, 'useremail');
	wp_cache_add($user->user_nicename, $user->ID, 'userslugs');
}

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Changelog

Changelog
Version Description
3.0.0 Introduced.