<?php
if (!defined('ABSPATH')) die('No direct access.');
if (!defined('UPDRAFTCENTRAL_SET_TIME_LIMIT')) define('UPDRAFTCENTRAL_SET_TIME_LIMIT', 900);
// We bypass the class declaration if the class already existed. This usually happens if two or more
// plugins integrated the same `UpdraftCentral` client folder.
if (!class_exists('UpdraftCentral_Factory')) :
/**
* Returns an instance of the host plugin class where the UpdraftCentral "central" folder is being
* integrated.
*/
class UpdraftCentral_Factory {
/**
* Creates a host plugin instance
*
* @return object|null
*/
public static function create_host() {
// All other plugins that wish to integrate the "central" libraries into their
// codebase must use this filter (see WP-Optimize plugin as an example).
$hosts = apply_filters('updraftcentral_host_plugins', array());
// If $hosts is empty then we return null
if (empty($hosts)) return null;
// N.B. If multiple host plugins (e.g. updraftplus, wp-optimize, etc.) are currently
// active then we only select one to handle all incoming UpdraftCentral requests for
// this website in order to avoid conflicts and confusion especially when tracing or
// debugging issues.
//
// You will know which plugin is currently serving and handling the request by checking
// the "get_plugin_name" method of the global variable "$updraftcentral_host_plugin"
// (e.g. $updraftcentral_host_plugin->get_plugin_name())
//
// N.B. You can add additional host plugins here. Just make sure that you will create
// a host class for that particular plugin (see central/wp-optimize.php as an example).
$mapped_classes = array(
'updraftplus' => 'UpdraftPlus_Host',
'wp-optimize' => 'WP_Optimize_Host',
);
$path = $host_class = '';
foreach ($hosts as $plugin) {
// Make sure that we have a registered host class with a valid file that exist
$host_file = dirname(__FILE__).'/'.$plugin.'.php';
if (isset($mapped_classes[$plugin]) && file_exists($host_file)) {
$path = $host_file;
$host_class = $mapped_classes[$plugin];
break;
}
}
// The host file was not found under this plugin thus, we let the other plugins
// create or build the host plugin (global) variable instead.
if (empty($path)) return null;
if (!class_exists($host_class)) include_once($path);
// Re-check host class once again just to make sure that we have the desired
// class loaded before calling its instance method
if (class_exists($host_class)) {
return call_user_func(array($host_class, 'instance'));
}
return null;
}
}
endif;
global $updraftcentral_host_plugin;
$updraftcentral_host_plugin = UpdraftCentral_Factory::create_host();
if ($updraftcentral_host_plugin) {
$updraftcentral_host_plugin->load_updraftcentral();
}