/**
  * Upgrade the logs structure.
  *
  * This upgrade routine was added in 1.3.0.
  *
  * @see  	Charitable_Upgrade::update_upgrade_system()
  * @see 	Charitable_upgrade::fix_donation_dates()
  *
  * @return  void
  * @access  public
  * @since   1.3.0
  */
 public function upgrade_logs()
 {
     /**
      * Deal with old upgrades.
      */
     $log = get_option($this->upgrade_log_key, false);
     /**
      * Both of the 1.3 upgrades call this, so we need to make sure it hasn't run yet.
      */
     if (is_array($log) && isset($log['legacy_logs'])) {
         return;
     }
     $last_log = !is_array($log) ? false : end($log);
     /**
      * If we're upgrading from prior to 1.1.0, we'll schedule events and flush rewrite rules.
      */
     if (false === $last_log || version_compare($last_log['to'], '1.1.0', '<')) {
         Charitable_Cron::schedule_events();
         // 1.1.0 upgrade
         flush_rewrite_rules();
         // 1.2.0 upgrade
     } elseif (version_compare($last_log['to'], '1.2.0', '<')) {
         flush_rewrite_rules();
         // 1.2.0 upgrade
     }
     /**
      * Update the upgrade log and save all old logs as 'legacy_logs'.
      */
     if (is_array($log)) {
         $new_log = array('legacy_logs' => array('time' => time(), 'version' => charitable()->get_version(), 'logs' => $log));
         update_option($this->upgrade_log_key, $new_log);
     }
 }
 /**
  * Upgrade to version 1.1.0.
  *
  * This sets up the daily scheduled event.  
  *
  * @return  void
  * @access  public
  * @since   1.1.0
  */
 public function upgrade_1_1_0()
 {
     Charitable_Cron::schedule_events();
 }
 /**
  * Finish the plugin installation. 
  *
  * @return  void
  * @access  public
  * @static
  * @since   1.3.4
  */
 public static function finish_installing()
 {
     Charitable_Cron::schedule_events();
     add_action('init', 'flush_rewrite_rules');
 }