page time cost improved

controller/Controller.php

@@ -31,10 +31,6 @@ Class Controller {
 
         //include layout and view
         if (file_exists($layoutFile)) {
-            //show time cost
-            $end_time = microtime(true);
-            $page_time_cost = ceil( ($end_time - FSC::$app['start_time']) * 1000 );   //ms
-
             ob_start();
             include_once $layoutFile;
 
@@ -43,7 +39,12 @@ Class Controller {
 
             //enable gzip
             ob_start('ob_gzhandler');
-            echo $htmlCode;
+
+            //show time cost
+            $end_time = microtime(true);
+            $page_time_cost = ceil( ($end_time - FSC::$app['start_time']) * 1000 );   //ms
+            echo str_replace('{page_time_cost}', $page_time_cost, $htmlCode);
+
             ob_end_flush();
         }else {
             throw Exception("Layout file not exist: {$layoutFile}", 500);

lib/FSC.php

@@ -8,7 +8,7 @@ Class FSC {
 
     //call function in controller
     public static function run($config = []) {   
-        self::$start_time = microtime(true);
+        self::$start_time = !empty($config['start_time']) ? $config['start_time'] : microtime(true);
 
         try {
             self::loadController($config);

views/layout/main.php

@@ -17,7 +17,7 @@ include_once $viewFile;
 ?>
 
     <div class="footer">
-        &copy;FSC 2022 - execute time: <?php echo $page_time_cost;?> ms
+        &copy;FSC 2022 - execute time: {page_time_cost} ms
     </div>
 
     <script src="/js/js.cookie.min.js"></script>

www/index.php

@@ -1,12 +1,13 @@
 <?php
 /* All php controller enter from here */
-require_once __DIR__ . '/../lib/FSC.php';
+$start_time = microtime(true);        //for time cost
-require_once __DIR__ . '/../controller/Controller.php';
-
-
-//run app
 $config = require_once __DIR__ . '/../conf/app.php';
 $default_timezone = !empty($config['default_timezone']) ? $config['default_timezone'] : 'Asia/HongKong';
 date_default_timezone_set($default_timezone);
+$config['start_time'] = $start_time;
 
+require_once __DIR__ . '/../lib/FSC.php';
+require_once __DIR__ . '/../controller/Controller.php';
+
+//run app
 FSC::run($config);