function seed_cspv4_mwp_perform_update($update)
 {
     if (!function_exists('get_plugin_data') || !function_exists('is_plugin_active')) {
         // make sure we have the needed functions available
         if (!@(include_once ABSPATH . 'wp-admin/includes/plugin.php')) {
             return $update;
         }
     }
     if (!(is_plugin_active('worker/init.php') || is_plugin_active('managewp/init.php'))) {
         // ManageWP client plugin needed
         return $update;
     }
     global $seed_cspv4;
     $api_key = $seed_cspv4['api_key'];
     $updater = new SellWP_UpdaterV2();
     $response = $updater->getRemote_information($api_key, SEED_CSPV4_VERSION, 'seedprod-coming-soon-pro/seedprod-coming-soon-pro.php');
     $cspv4 = get_plugin_data(SEED_CSPV4_PLUGIN_PATH . 'seedprod-coming-soon-pro.php');
     // EDIT: if necessary edit the path to your main plugin file
     $cspv4['url'] = $response->download_link;
     // EDIT: provide URL to the archive file with the new version and we will use WordPress update mechanism
     $cspv4['type'] = 'plugin';
     $cspv4['slug'] = 'seedprod-coming-soon-pro/seedprod-coming-soon-pro.php';
     //$my_addon['callback'] = 'my_update_callback'; 		// EDIT: OR alternately provide your own callback function for managing the update. Do not use both.
     array_push($update, $cspv4);
     return $update;
 }
 /**
  *  Check License
  */
 function check_license()
 {
     if (check_ajax_referer('seed_cspv4_check_license')) {
         global $seed_cspv4;
         extract($seed_cspv4);
         $api_key = $_GET['apikey'];
         $seed_emaillist = "";
         $seed_admin_email = get_option('admin_email', '');
         if (!empty($seed_cspv4['emaillist'])) {
             $seed_emaillist = $seed_cspv4['emaillist'];
         }
         $data = array();
         $data['emaillist'] = $seed_emaillist;
         $data['admin_email'] = $seed_admin_email;
         $updater = new SellWP_UpdaterV2();
         $response = $updater->getRemote_information($api_key, SEED_CSPV4_VERSION, 'seedprod-coming-soon-pro/seedprod-coming-soon-pro.php', null, $data);
         echo json_encode($response);
         exit;
     }
 }