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Co-authored-by: Oskar Stark <[email protected]>

Author: Kleinast

service_container/tags.rst

@@ -808,13 +808,18 @@ array element. For example, to retrieve the ``handler_two`` handler::
     ``getDefault(``index_by``)Name()`` method in the handlers and omit the
     index attribute (``key``)::
         
+
+        .. code-block:: yaml
+        
         # config/services.yaml
             services:
                 # ...
 
                 App\HandlerCollection:
                     arguments: [!tagged_iterator { tag: 'app.handler', index_by: 'handler' }]
                     
+    .. code-block:: php
+
         // src/Handler/One.php
         namespace App\Handler;