/** * Load helper file * @param string $a_helper * @return string */ public static final function helper($a_helper) { $v = null; try { $v = ZLoader::helper($a_helper); } catch (ZHelperException $e) { if (Zoombi::getApplication()->isMode(ZApplication::MODE_DEBUG)) { throw $e; } } catch (Exception $e) { if (Zoombi::getApplication()->isMode(ZApplication::MODE_DEBUG)) { throw $e; } } return $v; }