Date is always absent from headers

Author: jcheron

src/Ubiquity/servers/workerman/WorkermanServer.php

@@ -121,7 +121,7 @@ public function run($host, $port, $options = []) {
 
 	protected function handle(ConnectionInterface $connection,$datas) {
 		//$_REQUEST['REQUEST_TIME_FLOAT']=\microtime(true);
-		//Http::header('Date: '.gmdate('D, d M Y H:i:s').' GMT');
+		Http::header('Date: '.\gmdate('D, d M Y H:i:s').' GMT');
 		$_GET['c'] = '';
 		$uri = \ltrim(\urldecode(\parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)), '/');
 		if (($uri == null || ! ($fe=\file_exists($this->basedir . '/../' . $uri))) && ($uri!='favicon.ico')) {