send_email example

        if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) ) {
            return false;
        }

        $this->send_email( 'manual', $item );
        return true;
    }

    /** * Updates an item, if appropriate. * * @since 3.7.0 * * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'. * @param object $item The update offer. * @return null|WP_Error */