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<?php

if (!defined('ABSPATH')) {
    exit;
}
class WP_Rollback_Plugin_Upgrader extends Plugin_Upgrader
{
    public function rollback($plugin, $args = array())
    {
        $defaults = array('clear_update_cache' => true);
        $parsed_args = wp_parse_args($args, $defaults);
        $this->init();
        $this->upgrade_strings();
        if (0) {
            $this->skin->before();
            $this->skin->set_result(false);
            $this->skin->error('up_to_date');
            $this->skin->after();
            return false;
        }
        $plugin_slug = $this->skin->plugin;
        $plugin_version = $this->skin->options['version'];
        $download_endpoint = 'https://downloads.wordpress.org/plugin/';
        $url = $download_endpoint . $plugin_slug . '.' . $plugin_version . '.zip';
        $is_plugin_active = is_plugin_active($plugin);
        add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2);
        add_filter('upgrader_pre_install', array($this, 'active_before'), 10, 2);
        add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
        add_filter('upgrader_post_install', array($this, 'active_after'), 10, 2);
        $this->run(array('package' => $url, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => true, 'clear_working' => true, 'hook_extra' => array('plugin' => $plugin, 'type' => 'plugin', 'action' => 'update', 'bulk' => 'false')));
        remove_action('upgrader_process_complete', 'wp_clean_plugins_cache', 9);
        remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'));
        remove_filter('upgrader_pre_install', array($this, 'active_before'));
        remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
        remove_filter('upgrader_post_install', array($this, 'active_after'));
        if (!$this->result || is_wp_error($this->result)) {
            return $this->result;
        }
        if ($is_plugin_active) {
            activate_plugin($plugin);
        }
        wp_clean_plugins_cache($parsed_args['clear_update_cache']);
        return true;
    }
}