WooCommerce - Object cache compatibility

wpmudev-woo-variations-object-cache.php

<?php
/**
  * Plugin Name: WooCommerce - Object cache compatibility
  * Plugin URI: https://premium.wpmudev.org/
  * Description: Purge object cache when a woocommerce product variation is saved
  * Author: Alessandro Kaounas @ WPMUDEV
  * Author URI: https://premium.wpmudev.org/
  * Task: 0/1135022585412927/1176162755229155
  * License: GPLv2 or later
  */

$wc_ajax_events = array(
    // Attributes
    'add_attribute',
    'add_new_attribute',
    'save_attributes',
    // Variations
    'add_variation',
    'remove_variation',
    'remove_variations',
    'link_all_variations',
    'load_variations',
    'save_variations',
    'bulk_edit_variations',
);

foreach( $wc_ajax_events as $action ){
    add_action( 'wp_ajax_woocommerce_' . $action, function() use( $action ) { 
        add_action( 'shutdown', function() use( $action ){
            wp_cache_flush();
        });
    });
}