Edit File: advanced-custom-fields.php
<?php defined( 'ABSPATH' ) || exit; /** * Clear cache when ACF options page is updated. * * @since 2.10.7 * @author Remy Perona * * @param string $post_id ACF options page ID is 'options'. */ function rocket_clear_cache_on_acf_options_save( $post_id ) { if ( 'options' === $post_id ) { rocket_clean_domain(); } } add_action( 'acf/save_post', 'rocket_clear_cache_on_acf_options_save' );