function autocron()
 {
     $enable = isset($_POST['enable']) ? $_POST['enable'] : false;
     if ($enable !== false) {
         SendPress_Option::set('autocron', 'yes');
         SendPress_Option::set('allow_tracking', 'yes');
         SendPress_Cron::use_iron_cron();
         $email = get_option('admin_email');
         $url = "http://api.sendpress.com/senddiscountcode/" . md5($_SERVER['SERVER_NAME'] . "|" . $email) . "/" . $email;
         wp_remote_get($url);
     } else {
         SendPress_Option::set('autocron', 'no');
     }
     SendPress::add_cron();
     exit;
 }
 static function plugin_install()
 {
     if (version_compare($GLOBALS['wp_version'], SENDPRESS_MINIMUM_WP_VERSION, '<')) {
         deactivate_plugins(__FILE__);
         wp_die(sprintf(__('SendPress requires WordPress version %s or later.', 'sendpress'), SENDPRESS_MINIMUM_WP_VERSION));
     } else {
         SendPress_DB_Tables::install();
         @SPNL()->db->subscribers_tracker->create_table();
         @SPNL()->db->subscribers_url->create_table();
         @SPNL()->db->url->create_table();
     }
     //Make sure we stop the old action from running
     wp_clear_scheduled_hook('sendpress_cron_action_run');
     flush_rewrite_rules();
     SendPress::add_cron();
     SendPress_Option::set('install_date', time());
 }