site-kit-fix-opcache-call-temporary.php

<?php
/**
 * Temporary fix Site Kit opcache_reset call, in case the function is not defined.
 *
 * @author    Felix Arntz, Google
 * @license   Apache 2.0
 * @copyright 2020 Google Inc.
 *
 * @wordpress-plugin
 * Plugin Name: Site Kit Fix Opcache Call (temporary)
 * Description: Temporary fix Site Kit opcache_reset call, in case the function is not defined.
 * Plugin URI:  https://gist.github.com/felixarntz/4d6ce88173c157ebcca4ffe97e13e267
 * Version:     0.1.0
 * Author:      Felix Arntz, Google
 * Author URI:  https://felix-arntz.me
 * License:     Apache License 2.0
 * License URI: https://www.apache.org/licenses/LICENSE-2.0
 */

add_action(
	'plugins_loaded',
	function() {
		remove_action( 'upgrader_process_complete', 'googlesitekit_opcache_reset' );
	}
);