Save ACF-fields in taxonomy terms as term_meta

gistfile1.txt

    /**
     * Save all acf fields in terms as term meta (for easy query purposes [get_terms(meta_query)])
     * Field names have to be prefixed with "meta_"
     * URL: https://support.advancedcustomfields.com/forums/topic/how-to-use-wp-term-meta-on-acf-the-easy-way/
     * Update term meta based on ACF term meta fields
     */
    function namespace_acf_update_term_meta( $value, $post_id, $field ) {
        $term_id = intval( filter_var( $post_id, FILTER_SANITIZE_NUMBER_INT ) );

        if( substr( $field['name'], 0, 5 ) === 'meta_' ) {
            if( $term_id > 0 ) {
                update_term_meta( $term_id, $field['name'], $value );
            }
        }
      
        return $value;
    }
    add_filter( 'acf/update_value', 'namespace_acf_update_term_meta', 10, 3 );
    add_filter( 'acf/update_value', 'namespace_acf_update_term_meta', 10, 3 );

    /**
     * Load term meta in for ACF meta fields
     */
    function namespace_acf_load_term_meta( $value, $post_id, $field ) {
        $term_id = intval( filter_var( $post_id, FILTER_SANITIZE_NUMBER_INT ) );

        if( substr( $field['name'], 0, 5 ) === 'meta_' ) {

            if( $term_id > 0 ) {
                $value = get_term_meta( $term_id, $field['name'], $value );
            }
        }

        return $value;
    }
    add_filter( 'acf/load_value', 'namespace_acf_load_term_meta', 10, 3 );
    add_filter( 'acf/load_value', 'namespace_acf_load_term_meta', 10, 3 );