update_user_caches( WP_User $user )

Update all user caches

Description Description

Parameters Parameters


(WP_User) (Required) User object to be cached

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Return Return

(bool|null) Returns false on failure.

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Source 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.

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