adding test

rendertime/rendertime.php

@@ -54,8 +54,10 @@ function rendertime_page_end(&$a, &$o)
 			//round($profiler->get('plugin'), 3)
 			) . '</div>';
 
+		if ($profiler->isRendertime()) {
 			$o .= '<pre>';
 			$o .= $profiler->getRendertimeString();
 			$o .= '</pre>';
 		}
 	}
+}