Update profiler.rst

Author: 94noni

profiler.rst

@@ -375,30 +375,56 @@ data serialization (during :ref:`kernel.terminate <component-http-kernel-kernel-
     to avoid unwanted useless memory leak.
     You can do so by injecting the ``profiler.is_disabled_state_checker`` service::
 
-    // src/DataCollector/ServiceCollector.php
-    namespace App\DataCollector;
+    // src/Debug/TraceableService.php
+    namespace App\Debug;
 
-    use Symfony\Bundle\FrameworkBundle\DataCollector\AbstractDataCollector;
     use Symfony\Component\HttpFoundation\Request;
     use Symfony\Component\HttpFoundation\Response;
 
-    class ServiceCollector extends AbstractDataCollector
+    class TraceableService
     {
         public function __construct(
             private ServiceInterface $decoratedService,
             protected readonly ?\Closure $disabled = null, // profiler.is_disabled_state_checker
         ) {}
 
-        public function action(): void
+        public function action(): array
         {
             if ($this->disabled?->__invoke()) {
                 return $this->decoratedService->action();
             }
 
-            // do the trace job to have some data to be collected by your data collector.
+            // do the tracing job to gather/load/compute some data to be collected by your data collector.
+            return [/*heavy data*];
         }
     }
 
+    // src/DataCollector/ServiceCollector.php
+    namespace App\DataCollector;
+
+    use Symfony\Bundle\FrameworkBundle\DataCollector\AbstractDataCollector;
+    use Symfony\Component\HttpFoundation\Request;
+    use Symfony\Component\HttpFoundation\Response;
+
+    class ServiceCollector extends AbstractDataCollector
+    {
+        public function __construct(
+            private ServiceInterface $service, // here we have TraceableService
+        ) {}
+
+        public function collect(Request $request, Response $response, ?\Throwable $exception = null): void
+        {
+            $data = $this->service->action();
+
+            $this->data = [
+                'data' => $data,
+            ];
+        }
+    }
+
+.. versionadded:: 7.3
+
+    The ``profiler.is_disabled_state_checker`` service was introduced in Symfony 7.3.
 
 Adding Web Profiler Templates
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~