<?php
/**
* Plugin Name: WP Rollback
* Plugin URI: https://givewp.com/
* Description: Rollback (or forward) any WordPress.org plugin or theme like a boss.
* Author: GiveWP.com
* Author URI: https://givewp.com/
* Version: 1.7.2
* Text Domain: wp-rollback
* Domain Path: /languages
*
* WP Rollback is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* any later version.
*
* WP Rollback is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WP Rollback. If not, see <http://www.gnu.org/licenses/>.
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Main WP Rollback Class
*
* @since 1.0
*/
if ( ! class_exists( 'WP_Rollback' ) ) :
/**
* Class WP_Rollback
*/
final class WP_Rollback {
/**
* WP_Rollback instance
*
* @var WP_Rollback The one and only
* @since 1.0
*/
private static $instance;
/**
* WP_Rollback Settings Object
*
* @var object
* @since 1.0
*/
public $wpr_settings;
/**
* Plugins API url.
*
* @var string
*/
public $plugins_api = 'https://api.wordpress.org/plugins';
/**
* Themes repo url.
*
* @var string
*/
public $themes_repo = 'https://themes.svn.wordpress.org';
/**
* Plugin file.
*
* @var string
*/
public $plugin_file;
/**
* Plugin slug.
*
* @var string
*/
public $plugin_slug;
/**
* Versions.
*
* @var array
*/
public $versions = array();
/**
* Current version.
*
* @var string
*/
public $current_version;
/**
* Main WP_Rollback Instance
*
* Insures that only one instance of WP Rollback exists in memory at any one
* time. Also prevents needing to define globals all over the place.
*
* @since 1.0
* @static
* @staticvar array $instance
* @uses WP_Rollback::setup_constants() Setup the constants needed
* @uses WP_Rollback::includes() Include the required files
* @uses WP_Rollback::load_textdomain() load the language files
* @see WP_Rollback()
* @return WP_Rollback
*/
public static function instance() {
if ( ! isset( self::$instance ) && ! ( self::$instance instanceof WP_Rollback ) && is_admin() ) {
self::$instance = new WP_Rollback();
self::$instance->setup_constants();
// Only setup plugin rollback on specific page
if ( isset( $_GET['plugin_file'] ) && $_GET['page'] == 'wp-rollback' ) {
self::$instance->setup_plugin_vars();
}
self::$instance->hooks();
self::$instance->includes();
}
return self::$instance;
}
/**
* Throw error on object clone
*
* The whole idea of the singleton design pattern is that there is a single
* object therefore, we don't want the object to be cloned.
*
* @since 1.0
* @access protected
* @return void
*/
public function __clone() {
// Cloning instances of the class is forbidden
_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'wp-rollback' ), '1.0' );
}
/**
* Disable unserializing of the class
*
* @since 1.0
* @access protected
* @return void
*/
public function __wakeup() {
// Unserializing instances of the class is forbidden
_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'wp-rollback' ), '1.0' );
}
/**
* Setup plugin constants
*
* @access private
* @since 1.0
* @return void
*/
private function setup_constants() {
// Plugin Folder Path
if ( ! defined( 'WP_ROLLBACK_PLUGIN_DIR' ) ) {
define( 'WP_ROLLBACK_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
}
// Plugin Folder URL
if ( ! defined( 'WP_ROLLBACK_PLUGIN_URL' ) ) {
define( 'WP_ROLLBACK_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
}
// Plugin Root File
if ( ! defined( 'WP_ROLLBACK_PLUGIN_FILE' ) ) {
define( 'WP_ROLLBACK_PLUGIN_FILE', __FILE__ );
}
}
/**
* Setup Variables
*
* @access private
* @description:
*/
private function setup_plugin_vars() {
$this->set_plugin_slug();
$svn_tags = $this->get_svn_tags( 'plugin', $this->plugin_slug );
$this->set_svn_versions_data( $svn_tags );
}
/**
* Plugin hooks.
*
* @access private
* @since 1.5
* @return void
*/
private function hooks() {
// i18n
add_action( 'plugins_loaded', array( self::$instance, 'load_textdomain' ) );
// Admin
add_action( 'admin_enqueue_scripts', array( self::$instance, 'scripts' ) );
add_action( 'admin_menu', array( self::$instance, 'admin_menu' ), 20 );
add_action(
'pre_current_active_plugins', array(
self::$instance,
'pre_current_active_plugins',
), 20, 1
);
add_action( 'wp_ajax_is_wordpress_theme', array( self::$instance, 'is_wordpress_theme' ) );
add_action( 'set_site_transient_update_themes', array( self::$instance, 'wpr_theme_updates_list' ) );
add_filter( 'wp_prepare_themes_for_js', array( self::$instance, 'wpr_prepare_themes_js' ) );
add_filter( 'plugin_action_links', array( self::$instance, 'plugin_action_links' ), 20, 4 );
add_action( 'network_admin_menu', array( self::$instance, 'admin_menu' ), 20 );
add_filter( 'network_admin_plugin_action_links', array( self::$instance, 'plugin_action_links' ), 20, 4 );
add_filter( 'theme_action_links', array( self::$instance, 'theme_action_links' ), 20, 4 );
add_filter( 'wp_ajax_wpr_check_changelog', array( self::$instance, 'get_plugin_changelog' ) );
}
/**
* Include required files
*
* @access private
* @since 1.0
* @return void
*/
private function includes() {
}
/**
* Enqueue Admin Scripts
*
* @access private
* @since 1.0
*
* @param $hook
*
* @return void
*/
public function scripts( $hook ) {
if ( 'themes.php' === $hook ) {
wp_enqueue_script( 'wp_rollback_themes_script', plugin_dir_url( __FILE__ ) . 'assets/js/themes-wp-rollback.js', array( 'jquery' ), false, true );
// Localize for i18n
wp_localize_script(
'wp_rollback_themes_script', 'wpr_vars', array(
'ajaxurl' => admin_url(),
'ajax_loader' => admin_url( 'images/spinner.gif' ),
'nonce' => wp_create_nonce( 'wpr_rollback_nonce' ),
'text_rollback_label' => __( 'Rollback', 'wp-rollback' ),
'text_not_rollbackable' => __( 'No Rollback Available: This is a non-WordPress.org theme.', 'wp-rollback' ),
'text_loading_rollback' => __( 'Loading...', 'wp-rollback' ),
)
);
}
if ( ! in_array( $hook, array( 'index_page_wp-rollback', 'dashboard_page_wp-rollback' ) ) ) {
return;
}
$suffix = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';
// CSS
wp_register_style( 'wp_rollback_css', plugin_dir_url( __FILE__ ) . 'assets/css/wp-rollback.css' );
wp_enqueue_style( 'wp_rollback_css' );
wp_register_style( 'wp_rollback_modal_css', plugin_dir_url( __FILE__ ) . 'assets/css/magnific-popup.css' );
wp_enqueue_style( 'wp_rollback_modal_css' );
// JS
wp_register_script( 'wp_rollback_modal', plugin_dir_url( __FILE__ ) . 'assets/js/jquery.magnific-popup' . $suffix . '.js', array( 'jquery' ) );
wp_enqueue_script( 'wp_rollback_modal' );
wp_register_script( 'wp_rollback_script', plugin_dir_url( __FILE__ ) . 'assets/js/wp-rollback.js', array( 'jquery' ) );
wp_enqueue_script( 'wp_rollback_script' );
wp_enqueue_script( 'updates' );
// Localize for i18n.
wp_localize_script(
'wp_rollback_script', 'wpr_vars', array(
'ajaxurl' => admin_url(),
'text_no_changelog_found' => isset( $_GET['plugin_slug'] ) ? sprintf( __( 'Sorry, we couldn\'t find a changelog entry found for this version. Try checking the <a href="%s" target="_blank">developer log</a> on WP.org.', 'wp-rollback' ), 'https://wordpress.org/plugins/' . $_GET['plugin_slug'] . '/#developers' ) : '',
'version_missing' => __( 'Please select a version number to perform a rollback.', 'wp-rollback' ),
)
);
}
/**
* Loads the plugin language files
*
* @access public
* @since 1.0
* @return void
*/
public function load_textdomain() {
// Set filter for plugin's languages directory
$wpr_lang_dir = dirname( plugin_basename( WP_ROLLBACK_PLUGIN_FILE ) ) . '/languages/';
$wpr_lang_dir = apply_filters( 'wpr_languages_directory', $wpr_lang_dir );
// Traditional WordPress plugin locale filter
$locale = apply_filters( 'plugin_locale', get_locale(), 'wp-rollback' );
$mofile = sprintf( '%1$s-%2$s.mo', 'wp-rollback', $locale );
// Setup paths to current locale file
$mofile_local = $wpr_lang_dir . $mofile;
$mofile_global = WP_LANG_DIR . '/wp-rollback/' . $mofile;
if ( file_exists( $mofile_global ) ) {
// Look in global /wp-content/languages/wpr folder
load_textdomain( 'wp-rollback', $mofile_global );
} elseif ( file_exists( $mofile_local ) ) {
// Look in local /wp-content/plugins/wpr/languages/ folder
load_textdomain( 'wp-rollback', $mofile_local );
} else {
// Load the default language files
load_plugin_textdomain( 'wp-rollback', false, $wpr_lang_dir );
}
}
/**
* HTML
*/
public function html() {
// Permissions check
if ( ! current_user_can( 'update_plugins' ) ) {
wp_die( __( 'You do not have sufficient permissions to perform rollbacks for this site.', 'wp-rollback' ) );
}
// Get the necessary class
include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
$defaults = apply_filters(
'wpr_rollback_html_args', array(
'page' => 'wp-rollback',
'plugin_file' => '',
'action' => '',
'plugin_version' => '',
'plugin' => '',
)
);
$args = wp_parse_args( $_GET, $defaults );
if ( ! empty( $args['plugin_version'] ) ) {
// Plugin: rolling back.
check_admin_referer( 'wpr_rollback_nonce' );
include WP_ROLLBACK_PLUGIN_DIR . '/includes/class-rollback-plugin-upgrader.php';
include WP_ROLLBACK_PLUGIN_DIR . '/includes/rollback-action.php';
} elseif ( ! empty( $args['theme_version'] ) ) {
// Theme: rolling back.
check_admin_referer( 'wpr_rollback_nonce' );
include WP_ROLLBACK_PLUGIN_DIR . '/includes/class-rollback-theme-upgrader.php';
include WP_ROLLBACK_PLUGIN_DIR . '/includes/rollback-action.php';
} else {
// This is the menu.
check_admin_referer( 'wpr_rollback_nonce' );
include WP_ROLLBACK_PLUGIN_DIR . '/includes/rollback-menu.php';
}
}
/**
* Get Plugin Changelog
*
* Uses WP.org API to get a plugin's
*
* @return null|string
*/
public function get_plugin_changelog() {
// Need slug to continue.
if ( ! isset( $_POST['slug'] ) || empty( $_POST['slug'] ) ) {
return false;
}
$url = 'https://api.wordpress.org/plugins/info/1.0/' . $_POST['slug'];
$response = wp_remote_get( $url );
// Do we have an error?
if ( wp_remote_retrieve_response_code( $response ) !== 200 ) {
return null;
}
$response = maybe_unserialize( wp_remote_retrieve_body( $response ) );
// Nope: Return that bad boy
echo $response->sections['changelog'];
wp_die();
}
/**
* Get Subversion Tags
*
* cURLs wp.org repo to get the proper tags
*
* @param $type
* @param $slug
*
* @return null|string
*/
public function get_svn_tags( $type, $slug ) {
if ( 'plugin' === $type ) {
$url = $this->plugins_api . '/info/1.0/' . $this->plugin_slug . '.json';
} elseif ( 'theme' === $type ) {
$url = $this->themes_repo . '/' . $slug;
}
$response = wp_remote_get( $url );
// Do we have an error?
if ( wp_remote_retrieve_response_code( $response ) !== 200 ) {
return null;
}
// Nope: Return that bad boy
return wp_remote_retrieve_body( $response );
}
/**
* Set SVN Version Data
*
* @param $html
*
* @return array|bool
*/
public function set_svn_versions_data( $html ) {
if ( ! $html ) {
return false;
}
if ( ( $json = json_decode( $html ) ) && ( $html != $json ) ) {
$versions = array_keys( (array) $json->versions );
} else {
$DOM = new DOMDocument();
$DOM->loadHTML( $html );
$versions = array();
$items = $DOM->getElementsByTagName( 'a' );
foreach ( $items as $item ) {
$href = str_replace( '/', '', $item->getAttribute( 'href' ) ); // Remove trailing slash
if ( strpos( $href, 'http' ) === false && '..' !== $href ) {
$versions[] = $href;
}
}
}
$this->versions = array_reverse( $versions );
return $versions;
}
/**
* Versions Select
*
* Outputs the version radio buttons to select a rollback; types = 'plugin' or 'theme'.
*
* @param $type
*
* @return bool|string
*/
public function versions_select( $type ) {
if ( empty( $this->versions ) ) {
$versions_html = '<div class="wpr-error"><p>' . sprintf( __( 'It appears there are no version to select. This is likely due to the %s author not using tags for their versions and only committing new releases to the repository trunk.', 'wp-rollback' ), $type ) . '</p></div>';
return apply_filters( 'versions_failure_html', $versions_html );
}
$versions_html = '<ul class="wpr-version-list">';
usort( $this->versions, 'version_compare' );
$this->versions = array_reverse( $this->versions );
// Loop through versions and output in a radio list.
foreach ( $this->versions as $version ) {
$versions_html .= '<li class="wpr-version-li">';
$versions_html .= '<label><input type="radio" value="' . esc_attr( $version ) . '" name="' . $type . '_version">' . $version;
// Is this the current version?
if ( $version === $this->current_version ) {
$versions_html .= '<span class="current-version">' . __( 'Installed Version', 'wp-rollback' ) . '</span>';
}
$versions_html .= '</label>';
// View changelog link.
if ( 'plugin' === $type ) {
$versions_html .= ' <a href="#" class="wpr-changelog-link" data-version="' . $version . '">' . __( 'View Changelog', 'wp-rollback' ) . '</a>';
}
$versions_html .= '</li>';
}
$versions_html .= '</ul>';
return apply_filters( 'versions_select_html', $versions_html );
}
/**
* Set Plugin Slug
*
* @return array|bool
*/
private function set_plugin_slug() {
if ( ! isset( $_GET['plugin_file'] ) ) {
return false;
}
if ( isset( $_GET['current_version'] ) ) {
$curr_version = explode( ' ', $_GET['current_version'] );
$this->current_version = apply_filters( 'wpr_current_version', $curr_version[0] );
}
include_once ABSPATH . 'wp-admin/includes/plugin.php';
$plugin_file = WP_PLUGIN_DIR . '/' . $_GET['plugin_file'];
if ( ! file_exists( $plugin_file ) ) {
wp_die( 'Plugin you\'re referencing does not exist.' );
}
// the plugin slug is the base directory name without the path to the main file
$plugin_slug = explode( '/', plugin_basename( $plugin_file ) );
$this->plugin_file = apply_filters( 'wpr_plugin_file', $plugin_file );
$this->plugin_slug = apply_filters( 'wpr_plugin_slug', $plugin_slug[0] );
return $plugin_slug;
}
/**
* Admin Menu
*
* Adds a 'hidden' menu item that is activated when the user elects to rollback
*/
public function admin_menu() {
// Only show menu item when necessary (user is interacting with plugin, ie rolling back something)
if ( isset( $_GET['page'] ) && $_GET['page'] == 'wp-rollback' ) {
// Add it in a native WP way, like WP updates do... (a dashboard page)
add_dashboard_page(
__( 'Rollback', 'wp-rollback' ), __( 'Rollback', 'wp-rollback' ), 'update_plugins', 'wp-rollback', array(
self::$instance,
'html',
)
);
}
}
/**
* Pre-Current Active Plugins
*
* @param $plugins
*
* @return mixed
*/
public function pre_current_active_plugins( $plugins ) {
$updated = $plugins;
foreach ( $updated as $key => $value ) {
$updated[ $key ] = $value;
$updated[ $key ]['rollback'] = true;
}
return $updated;
}
/**
* Plugin Action Links
*
* Adds a "rollback" link into the plugins listing page w/ appropriate query strings
*
* @param $actions
* @param $plugin_file
* @param $plugin_data
* @param $context
*
* @return array $actions
*/
public function plugin_action_links( $actions, $plugin_file, $plugin_data, $context ) {
// Filter for other devs.
$plugin_data = apply_filters( 'wpr_plugin_data', $plugin_data );
// If plugin is missing package data do not output Rollback option.
if ( ! isset( $plugin_data['package'] ) || strpos( $plugin_data['package'], 'https://downloads.wordpress.org' ) === false ) {
return $actions;
}
// Multisite check.
if ( is_multisite() && ( ! is_network_admin() && ! is_main_site() ) ) {
return $actions;
}
// Must have version.
if ( ! isset( $plugin_data['Version'] ) ) {
return $actions;
}
// Base rollback URL
$rollback_url = 'index.php?page=wp-rollback&type=plugin&plugin_file=' . $plugin_file;
$rollback_url = add_query_arg(
apply_filters(
'wpr_plugin_query_args', array(
'current_version' => urlencode( $plugin_data['Version'] ),
'rollback_name' => urlencode( $plugin_data['Name'] ),
'plugin_slug' => urlencode( $plugin_data['slug'] ),
'_wpnonce' => wp_create_nonce( 'wpr_rollback_nonce' ),
)
), $rollback_url
);
// Final Output
$actions['rollback'] = apply_filters( 'wpr_plugin_markup', '<a href="' . esc_url( $rollback_url ) . '">' . __( 'Rollback', 'wp-rollback' ) . '</a>' );
return apply_filters( 'wpr_plugin_action_links', $actions );
}
/**
* Theme Action Links
*
* Adds a "rollback" link into the plugins listing page w/ appropriate query strings
*
* @param $actions
* @param $theme WP_Theme
* @param $context
*
* @return array $actions
*/
public function theme_action_links( $actions, $theme, $context ) {
$rollback_themes = get_site_transient( 'rollback_themes' );
if ( ! is_object( $rollback_themes ) ) {
$this->wpr_theme_updates_list();
$rollback_themes = get_site_transient( 'rollback_themes' );
}
$theme_slug = isset( $theme->template ) ? $theme->template : '';
// Only WP.org themes.
if ( empty( $theme_slug ) || ! array_key_exists( $theme_slug, $rollback_themes->response ) ) {
return $actions;
}
$theme_file = isset( $rollback_themes->response[ $theme_slug ]['package'] ) ? $rollback_themes->response[ $theme_slug ]['package'] : '';
// Base rollback URL.
$rollback_url = 'index.php?page=wp-rollback&type=theme&theme_file=' . $theme_file;
// Add in the current version for later reference.
if ( ! $theme->get( 'Version' ) ) {
return $actions;
}
$rollback_url = add_query_arg(
apply_filters(
'wpr_theme_query_args', array(
'theme_file' => urlencode( $theme_slug ),
'current_version' => urlencode( $theme->get( 'Version' ) ),
'rollback_name' => urlencode( $theme->get( 'Name' ) ),
'_wpnonce' => wp_create_nonce( 'wpr_rollback_nonce' ),
)
), $rollback_url
);
// Final Output
$actions['rollback'] = apply_filters( 'wpr_theme_markup', '<a href="' . esc_url( $rollback_url ) . '">' . __( 'Rollback', 'wp-rollback' ) . '</a>' );
return apply_filters( 'wpr_theme_action_links', $actions );
}
/**
* Is WordPress Theme?
*
* Queries the WordPress.org API via theme's slug to see if this theme is on WordPress.
*
* @return bool
*/
public function is_wordpress_theme() {
// Multisite check.
if ( is_multisite() && ( ! is_network_admin() && ! is_main_site() ) ) {
return false;
}
$url = add_query_arg( 'request[slug]', $_POST['theme'], 'https://api.wordpress.org/themes/info/1.1/?action=theme_information' );
$wp_api = wp_remote_get( $url );
if ( ! is_wp_error( $wp_api ) ) {
if ( isset( $wp_api['body'] ) && strlen( $wp_api['body'] ) > 0 && $wp_api['body'] !== 'false' ) {
echo 'wp';
} else {
echo 'non-wp';
}
} else {
echo 'error';
}
// Die is required to terminate immediately and return a proper response.
wp_die();
}
/**
* Plugin Row Meta.
*
* @param $plugin_meta
* @param $plugin_file
* @param $plugin_data
* @param $status
*
* @return mixed
*/
public function plugin_row_meta( $plugin_meta, $plugin_file, $plugin_data, $status ) {
return $plugin_meta;
}
/**
* Updates theme list.
*
* @return bool
*/
function wpr_theme_updates_list() {
include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
// Bounce out if improperly called.
if ( defined( 'WP_INSTALLING' ) || ! is_admin() ) {
return false;
}
$expiration = 12 * HOUR_IN_SECONDS;
$installed_themes = wp_get_themes();
$last_update = get_site_transient( 'update_themes' );
if ( ! is_object( $last_update ) ) {
set_site_transient( 'rollback_themes', time(), $expiration );
}
$themes = $checked = $request = array();
// Put slug of current theme into request.
$request['active'] = get_option( 'stylesheet' );
foreach ( $installed_themes as $theme ) {
$checked[ $theme->get_stylesheet() ] = $theme->get( 'Version' );
$themes[ $theme->get_stylesheet() ] = array(
'Name' => $theme->get( 'Name' ),
'Title' => $theme->get( 'Name' ),
'Version' => '0.0.0.0.0.0',
'Author' => $theme->get( 'Author' ),
'Author URI' => $theme->get( 'AuthorURI' ),
'Template' => $theme->get_template(),
'Stylesheet' => $theme->get_stylesheet(),
);
}
$request['themes'] = $themes;
$timeout = 3 + (int) ( count( $themes ) / 10 );
global $wp_version;
$options = array(
'timeout' => $timeout,
'body' => array(
'themes' => json_encode( $request ),
),
'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ),
);
$url = $http_url = 'http://api.wordpress.org/themes/update-check/1.1/';
if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) {
$url = set_url_scheme( $url, 'https' );
}
$raw_response = wp_remote_post( $url, $options );
if ( $ssl && is_wp_error( $raw_response ) ) {
trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.', 'wp-rollback' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)', 'wp-rollback' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
$raw_response = wp_remote_post( $http_url, $options );
}
set_site_transient( 'rollback_themes', time(), $expiration );
if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) ) {
return false;
}
$new_update = new stdClass();
$new_update->last_checked = time();
$new_update->checked = $checked;
$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
if ( is_array( $response ) && isset( $response['themes'] ) ) {
$new_update->response = $response['themes'];
}
set_site_transient( 'rollback_themes', $new_update );
return true;
}
/**
* Prepare Themes JS.
*
* @param $prepared_themes
*
* @return array
*/
function wpr_prepare_themes_js( $prepared_themes ) {
$themes = array();
$rollbacks = array();
$wp_themes = get_site_transient( 'rollback_themes' );
// Double-check our transient is present.
if ( empty( $wp_themes ) || ! is_object( $wp_themes ) ) {
$this->wpr_theme_updates_list();
$wp_themes = get_site_transient( 'rollback_themes' );
}
// Set $rollback response variable for loop ahead.
if ( is_object( $wp_themes ) ) {
$rollbacks = $wp_themes->response;
}
// Loop through themes and provide a 'hasRollback' boolean key for JS.
foreach ( $prepared_themes as $key => $value ) {
$themes[ $key ] = $prepared_themes[ $key ];
$themes[ $key ]['hasRollback'] = isset( $rollbacks[ $key ] );
}
return $themes;
}
}
endif; // End if class_exists check
/**
* The main function responsible for returning the one true WP Rollback
* Instance to functions everywhere.
*
* Use this function like you would a global variable, except without needing
* to declare the global.
*
* Example: <?php $wp_rollback = WP_Rollback(); ?>
*
* @since 1.0
* @return WP_Rollback object The one true WP Rollback Instance
*/
function WP_Rollback() {
return WP_Rollback::instance();
}
// Get WP Rollback Running
WP_Rollback();