/**
  *  This function scans the connector plugins directory and adds the plugin to the plugin helper
  *
  */
 function install_plugins()
 {
     global $ai1ec_importer_plugin_helper;
     // Scan the plugin directory for php files
     foreach (glob(AI1EC_IMPORT_PLUGIN_PATH . "/*.php") as $filename) {
         // The class name should be the same as the php file
         $class_name = Ai1ec_String_Utility::classify($filename);
         // If the class exist
         if (class_exists($class_name) && is_subclass_of($class_name, 'Ai1ec_Connector_Plugin')) {
             // Instantiate a new object and add it as a plugin.
             // In the constructor the plugin will add his hooks.
             $ai1ec_importer_plugin_helper->add_plugin(new $class_name());
         }
     }
     $ai1ec_importer_plugin_helper->sort_plugins();
 }
</sy:updatePeriod>
	<sy:updateFrequency><?php 
echo apply_filters('rss_update_frequency', '1');
?>
</sy:updateFrequency>
<?php 
foreach ($event_results['events'] as $event) {
    $title = htmlspecialchars(apply_filters('the_title', $event->post->post_title, $event->post_id));
    $permalink = htmlspecialchars(get_permalink($event->post_id));
    $date = date('d M Y H:i:s', $event->start);
    $user_info = get_userdata($event->post->post_author);
    $location = str_replace("\n", ', ', rtrim($event->get_location()));
    $use_excerpt = Ai1ec_Meta::get_option('rss_use_excerpt');
    $description = apply_filters('the_content', $event->post->post_content);
    if ($use_excerpt) {
        $description = Ai1ec_String_Utility::truncate_string_if_longer_than_x_words($description, 50, " <a href='{$permalink}' >" . __('Read more...', AI1EC_PLUGIN_NAME) . "</a>");
    }
    $args = array('timespan' => $event->get_timespan_html(), 'location' => $location, 'permalink' => $permalink, 'description' => wpautop($description));
    // Load the RSS specific template
    ob_start();
    $ai1ec_view_helper->display_theme('event-feed-description.php', $args);
    $content = ob_get_contents();
    ob_end_clean();
    $user = $user_info->user_login;
    $guid = htmlspecialchars(get_the_guid($event->post_id));
    $comments = esc_url(get_post_comments_feed_link($event->post_id, 'rss2'));
    $comments_number = get_comments_number($event->post_id);
    echo <<<FEED
<item>
\t<title>{$title}</title>
\t<link>{$permalink}{$event->instance_id}</link>