This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

wp_set_all_user_settings( array $user_settings )

Private. Set all user interface settings.


Parameters

$user_settings

(array) (Required) User settings.


Return

(bool|null) False if the current user can't be found, null if the current user is not a super admin or a member of the site, otherwise true.


Source

File: wp-includes/option.php

function wp_set_all_user_settings( $user_settings ) {
	global $_updated_user_settings;

	if ( ! $user_id = get_current_user_id() ) {
		return false;
	}

	if ( ! is_user_member_of_blog() ) {
		return;
	}

	$settings = '';
	foreach ( $user_settings as $name => $value ) {
		$_name = preg_replace( '/[^A-Za-z0-9_-]+/', '', $name );
		$_value = preg_replace( '/[^A-Za-z0-9_-]+/', '', $value );

		if ( ! empty( $_name ) ) {
			$settings .= $_name . '=' . $_value . '&';
		}
	}

	$settings = rtrim( $settings, '&' );
	parse_str( $settings, $_updated_user_settings );

	update_user_option( $user_id, 'user-settings', $settings, false );
	update_user_option( $user_id, 'user-settings-time', time(), false );

	return true;
}


Changelog

Changelog
Version Description
WP-2.8.0 Introduced.