/**
* Function to update sk into the new widget.
*/
function skLegacy_updateWidget()
{
    $options = get_option('widget_sk');
    $add = 1;
    $data = array('title' => $options['title'], 'items' => $options['items'], 'rss' => $options['rss']);
    //Update the widget data
    update_option('sk_options', $options);
    // old format, conver if single widget
    $settings = wp_convert_widget_settings('sk', 'widget_sk', $options);
    //Update the widgets in the sidebar
    $pos = 0;
    //The position where the widget is
    $sidebars_widgets = get_option('sidebars_widgets');
    foreach ((array) $sidebars_widgets as $index => $sidebar) {
        if (is_array($sidebar)) {
            $count = 0;
            //New counter
            foreach ($sidebar as $i => $name) {
                //Check if the widget has the name from the old one
                if ($name == 'schreikasten') {
                    //We found something, set the data
                    $sb_pos = $index;
                    $pos = $index;
                    $changed = true;
                }
                $count++;
            }
            //If we found the widget, move all the widgets after the one where we are
            //searching, then add the new widgets
            if ($changed) {
                $sidebar = $sidebars_widgets[$sb_pos];
                //How many widgets do we have in this sidebar?
                $size = count($sidebar);
                //Add from end to begin
                $aux = 0;
                $sidebar_aux = array();
                for ($i = 0; $i < $size; $i++) {
                    if ($i == $pos) {
                        for ($j = 2; $j < $add + 2; $j++) {
                            $sidebar_aux[$count] = "sk-{$j}";
                            $count++;
                        }
                    } else {
                        $sidebar_aux[$count] = $sidebar[$i];
                        $count++;
                    }
                }
                //Update the sidebars_widgets
                $sidebars_widgets[$sb_pos] = $sidebar_aux;
                update_option('sidebars_widgets', $sidebars_widgets);
                $changed = false;
            }
        }
    }
}

 function get_settings()
 {
     $settings = get_option($this->option_name);
     if (false === $settings && isset($this->alt_option_name)) {
         $settings = get_option($this->alt_option_name);
     }
     if (!is_array($settings)) {
         $settings = array();
     }
     if (!empty($settings) && !array_key_exists('_multiwidget', $settings)) {
         // old format, convert if single widget
         $settings = wp_convert_widget_settings($this->id_base, $this->option_name, $settings);
     }
     unset($settings['_multiwidget'], $settings['__i__']);
     return $settings;
 }

 /**
  * Get the settings for all instances of the widget class.
  *
  * @since 2.8.0
  * @access public
  *
  * @return array Multi-dimensional array of widget instance settings.
  */
 public function get_settings()
 {
     $settings = get_option($this->option_name);
     if (false === $settings && isset($this->alt_option_name)) {
         $settings = get_option($this->alt_option_name);
     }
     if (!is_array($settings) && !($settings instanceof ArrayObject || $settings instanceof ArrayIterator)) {
         $settings = array();
     }
     if (!empty($settings) && !isset($settings['_multiwidget'])) {
         // Old format, convert if single widget.
         $settings = wp_convert_widget_settings($this->id_base, $this->option_name, $settings);
     }
     unset($settings['_multiwidget'], $settings['__i__']);
     return $settings;
 }

 /**
  * Retrieves the settings for all instances of the widget class.
  *
  * @since 2.8.0
  * @access public
  *
  * @return array Multi-dimensional array of widget instance settings.
  */
 public function get_settings()
 {
     $settings = get_option($this->option_name);
     if (false === $settings) {
         if (isset($this->alt_option_name)) {
             $settings = get_option($this->alt_option_name);
         } else {
             // Save an option so it can be autoloaded next time.
             $this->save_settings(array());
         }
     }
     if (!is_array($settings) && !($settings instanceof ArrayObject || $settings instanceof ArrayIterator)) {
         $settings = array();
     }
     if (!empty($settings) && !isset($settings['_multiwidget'])) {
         // Old format, convert if single widget.
         $settings = wp_convert_widget_settings($this->id_base, $this->option_name, $settings);
     }
     unset($settings['_multiwidget'], $settings['__i__']);
     return $settings;
 }

function simple_section_nav_activate()
{
    if (get_option('ssn_sortby') === false) {
        return false;
    }
    //if not upgrading, leave
    $show_all = get_option('ssn_show_all') ? 1 : 0;
    $exclude = str_replace(" ", "", get_option('ssn_exclude'));
    $hide_on_excluded = get_option('ssn_hide_on_excluded') ? 1 : 0;
    $show_on_home = get_option('ssn_show_on_home') ? 1 : 0;
    $show_empty = get_option('ssn_show_empty') ? 1 : 0;
    $a_heading = get_option('ssn_a_heading') ? 1 : 0;
    $settings = array('show_all' => $show_all, 'exclude' => $exclude, 'hide_on_excluded' => $hide_on_excluded, 'show_on_home' => $show_on_home, 'show_empty' => $show_empty, 'sort_by' => get_option('ssn_sortby'), 'a_heading' => $a_heading);
    wp_convert_widget_settings('simple-section-nav', 'widget_simple-section-nav', $settings);
    //delete old settings ... done supporting 1.x
    delete_option('ssn_show_all');
    delete_option('ssn_exclude');
    delete_option('ssn_hide_on_excluded');
    delete_option('ssn_show_on_home');
    delete_option('ssn_show_empty');
    delete_option('ssn_sortby');
    delete_option('ssn_a_heading');
}