symfony
diff --git a/‎src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TemplatingPass.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TemplatingPass.php
+5Lines changed: 5 additions & 0 deletions b/‎src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TemplatingPass.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TemplatingPass.php
+5Lines changed: 5 additions & 0 deletions
@@ -17,6 +17,9 @@
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\Templating\EngineInterface as ComponentEngineInterface;
 
+/**
+ * @deprecated The TemplatingPass class will be removed in Symfony 4.0. You should use Twig instead.
+ */
 class TemplatingPass implements CompilerPassInterface
 {
     public function process(ContainerBuilder $container)
@@ -33,6 +36,8 @@ public function process(ContainerBuilder $container)
         if ($container->hasDefinition('templating.engine.php')) {
             $helpers = array();
             foreach ($container->findTaggedServiceIds('templating.helper') as $id => $attributes) {
+                @trigger_error('The '.TemplatingPass::class.' class is deprecated since version 3.3 and will be removed in 4.0. Use Twig instead.', E_USER_DEPRECATED);
+
                 if (isset($attributes[0]['alias'])) {
                     $helpers[$attributes[0]['alias']] = $id;
                 }