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编辑当前文件:/home/felaukpo/public_html/wp-content/plugins/cartflows/classes/class-cartflows-rollback.php

<?php
/**
 * CartFlows Rollback.
 *
 * @package CartFlows
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * CartFlows Rollback.
 *
 * CartFlows Rollback. handler class is responsible for rolling back UAG to
 * previous version.
 *
 * @since 2.1.6
 */
class Cartflows_Rollback {

/**
	 * Package URL.
	 *
	 * Holds the package URL.
	 *
	 * @since 2.1.6
	 * @access protected
	 *
	 * @var string Package URL.
	 */
	protected $package_url;

/**
	 * Version.
	 *
	 * Holds the version.
	 *
	 * @since 2.1.6
	 * @access protected
	 *
	 * @var string Package URL.
	 */
	protected $version;

/**
	 * Plugin name.
	 *
	 * Holds the plugin name.
	 *
	 * @since 2.1.6
	 * @access protected
	 *
	 * @var string Plugin name.
	 */
	protected $plugin_name;

/**
	 * Plugin slug.
	 *
	 * Holds the plugin slug.
	 *
	 * @since 2.1.6
	 * @access protected
	 *
	 * @var string Plugin slug.
	 */
	protected $plugin_slug;

/**
	 * CartFlows Rollback constructor.
	 *
	 * Initializing CartFlows Rollback.
	 *
	 * @since 2.1.6
	 * @access public
	 *
	 * @param array $args Optional. CartFlows Rollback arguments. Default is an empty array.
	 */
	public function __construct( $args = array() ) {
		foreach ( $args as $key => $value ) {
			$this->{$key} = $value;
		}
	}

/**
	 * Print inline style.
	 *
	 * Add an inline CSS to the CartFlows Rollback page.
	 *
	 * @since 2.1.6
	 * @access private
	 * @return void
	 */
	private function print_inline_style() {
		?>
		<style>
			.wrap {
				overflow: hidden;
				max-width: 850px;
				margin: auto;
				font-family: Courier, monospace;
			}

h1 {
				background: #f16334;
				text-align: center;
				color: #fff !important;
				padding: 70px !important;
				text-transform: uppercase;
				letter-spacing: 1px;
			}

h1 img {
				max-width: 300px;
				display: block;
				margin: auto auto 50px;
			}
		</style>
		<?php
	}

/**
	 * Apply package.
	 *
	 * Change the plugin data when WordPress checks for updates. This method
	 * modifies package data to update the plugin from a specific URL containing
	 * the version package.
	 *
	 * @since 2.1.6
	 * @access protected
	 * @return void
	 */
	protected function apply_package() {
		$update_plugins = get_site_transient( 'update_plugins' );
		if ( ! is_object( $update_plugins ) ) {
			$update_plugins = new \stdClass();
		}

$plugin_info                                    = new \stdClass();
		$plugin_info->new_version                       = $this->version;
		$plugin_info->slug                              = $this->plugin_slug;
		$plugin_info->package                           = $this->package_url;
		$plugin_info->url                               = 'https://cartflows.com/';
		$update_plugins->response[ $this->plugin_name ] = $plugin_info;

set_site_transient( 'update_plugins', $update_plugins );
	}

/**
	 * Upgrade.
	 *
	 * Run WordPress upgrade to CartFlows Rollback to previous version.
	 *
	 * @since 2.1.6
	 * @access protected
	 * @return void
	 */
	protected function upgrade() {

require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

$upgrader_args = array(
			'url'    => 'update.php?action=upgrade-plugin&plugin=' . rawurlencode( $this->plugin_name ),
			'plugin' => $this->plugin_name,
			'nonce'  => 'upgrade-plugin_' . $this->plugin_name,
			'title'  => __( 'CartFlows <p>Rollback to Previous Version</p>', 'cartflows' ),
		);

$this->print_inline_style();

$upgrader = new \Plugin_Upgrader( new \Plugin_Upgrader_Skin( $upgrader_args ) );
		$upgrader->upgrade( $this->plugin_name );
	}

/**
	 * Run.
	 *
	 * Rollback CartFlows to previous versions.
	 *
	 * @since 2.1.6
	 * @access public
	 * @return void
	 */
	public function run() {
		$this->apply_package();
		$this->upgrade();
	}
}