OPTIMALIZATION: cache widget area content for one pageload

app/Helpers/WidgetAreas.php

@@ -5,11 +5,28 @@ use App\Models\WidgetArea;
 
 class WidgetAreas
 {
+    /**
+     * @var array list of inicialized widget areas
+     */
+    protected static $widgetAreas = [];
+
+    /**
+     * Renderer for whole widget area.
+     *
+     * @param $uniqueCode
+     *
+     * @return mixed
+     */
     public static function render($uniqueCode)
     {
-        $widgetArea = new WidgetArea();
+        if (isset(self::$widgetAreas[$uniqueCode])) {
+            echo self::$widgetAreas[$uniqueCode];
+            return;
+        }
 
-        $widgets = $widgetArea->getWidgets($uniqueCode)->get();
+        $widgetArea = new WidgetArea();
+        $widgets = $widgetArea->getWidgets($uniqueCode)
+                              ->get();
 
         $content = '';
         foreach ($widgets as $widget) {
@@ -19,6 +36,9 @@ class WidgetAreas
             $content .= call_user_func([$presenter, 'render'], json_decode($widget->settings));
         }
 
+        // cache this widget area
+        self::$widgetAreas[$uniqueCode] = $content;
+
         echo $content;
     }
 }