/**
  * Installs any new plugins
  */
 public static function install_new_plugins()
 {
     global $CFG;
     // instantiate the assmgr db
     $dbc = new ilp_db();
     // get all the currently installed evidence resource types
     $plugins = ilp_records_to_menu($dbc->get_form_element_plugins(), 'id', 'name');
     $plugins_directory = $CFG->dirroot . '/blocks/ilp/classes/form_elements/plugins';
     // get the folder contents of the resource plugin directory
     $files = scandir($plugins_directory);
     foreach ($files as $file) {
         // look for plugins
         if (preg_match('/^([a-z_]+)\\.php$/i', $file, $matches)) {
             if (!in_array($matches[1], $plugins) && substr($matches[1], -5) != 'mform') {
                 // include the class
                 require_once $plugins_directory . '/' . $file;
                 // instantiate the object
                 $class = basename($file, ".php");
                 $formelementobj = new $class();
                 // install the plugin
                 $formelementobj->install();
                 // update the resource_types table
                 $dbc->create_form_element_plugin($formelementobj->get_name(), $formelementobj->get_tablename());
             }
         }
     }
 }