private static function installCoreClasses(Module_Admin $module) { require_once GWF_CORE_PATH . 'inc/install/GWF_InstallFunctions.php'; foreach (GWF_InstallFunctions::get_core_tables() as $classname) { if (false === GDO::table($classname)->createTable(false)) { return GWF_HTML::err('ERR_DATABASE', __FILE__, __LINE__); } } return ''; }