Add missing RuntimeExtensionInterface

tjamps · javiereguiluz · commit 0e8d86362697 · 2018-07-06T09:29:46.000+02:00
If the Twig runtime class does not implement RuntimeExtensionInterface, the autoconfigure feature of the container will not tag it with `twig.runtime`, and an exception will be thrown ("Unable to load the "App\Twig\AppRuntime" runtime.")
diff --git a/templating/twig_extension.rst b/templating/twig_extension.rst
@@ -115,7 +115,9 @@ previous ``priceFilter()`` method::
     // src/AppBundle/Twig/AppRuntime.php
     namespace AppBundle\Twig;
 
-    class AppRuntime
+    use use Twig\Extension\RuntimeExtensionInterface;
+
+    class AppRuntime implements RuntimeExtensionInterface
     {
         public function __construct()
         {

Original file line number	Diff line number	Diff line change
@@ -115,7 +115,9 @@ previous ``priceFilter()`` method::
`115`	`115`	`// src/AppBundle/Twig/AppRuntime.php`
`116`	`116`	`namespace AppBundle\Twig;`
`117`	`117`
`118`		`- class AppRuntime`
	`118`	`+ use use Twig\Extension\RuntimeExtensionInterface;`
	`119`	`+`
	`120`	`+ class AppRuntime implements RuntimeExtensionInterface`
`119`	`121`	`{`
`120`	`122`	`public function __construct()`
`121`	`123`	`{`