[MarketPress] - Fix Cache Issue on WPMUDEV Metabox

wpmudev-general-fix-cache-issue-on-metabox.php

<?php
/**
 * Plugin Name: [MarketPress] - Fix Cache Issue on WPMUDEV Metabox
 * Description: [MarketPress] - Fix cache issue on WPMUDEV Metabox, the action save metabox fields not trigger - 1120836882951224
 * Plugin URI: https://premium.wpmudev.org/
 * Author: WPMUDEV
 * Author URI: https://premium.wpmudev.org
 * License: GPLv2 or later
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

add_action( 'plugins_loaded', 'wpmudev_mp_fix_cache_metabox_issue_load_func', 100 );
function wpmudev_mp_fix_cache_metabox_issue_load_func() {
	if ( defined( 'MP_VERSION' ) && class_exists( 'Marketpress' ) ) {
		// clear cache admin
		add_action( 'wpmudev_metabox/before_save_fields/mp-product-type-metabox', 'wpmudev_mp_clear_save_fields_metabox_cache' );
		function wpmudev_mp_clear_save_fields_metabox_cache(){
			wp_cache_delete( 'save_fields', 'wpmudev_metaboxes' );
		}
	}
}