[symfony#1860] Reverting the removal of the kernel.root_dir use

weaverryan · weaverryan · commit b8a17f6a28ce · 2012-11-09T19:58:47.000-06:00
I don't see any disadvantages for using a parameter here that *happens* to be used in the framework - the advantage is that it's meaningful for half the audience (and for component users, any parameter here will be a "generic")
diff --git a/components/dependency_injection/advanced.rst b/components/dependency_injection/advanced.rst
@@ -107,18 +107,18 @@ the service itself gets loaded. To do so, you can use the ``file`` directive.
         services:
            foo:
              class: Example\Foo\Bar
-             file: "%app.root_dir%/src/path/to/file/foo.php"
+             file: "%kernel.root_dir%/src/path/to/file/foo.php"
 
     .. code-block:: xml
 
         <service id="foo" class="Example\Foo\Bar">
-            <file>%app.root_dir%/src/path/to/file/foo.php</file>
+            <file>%kernel.root_dir%/src/path/to/file/foo.php</file>
         </service>
 
     .. code-block:: php
 
         $definition = new Definition('Example\Foo\Bar');
-        $definition->setFile('%app.root_dir%/src/path/to/file/foo.php');
+        $definition->setFile('%kernel.root_dir%/src/path/to/file/foo.php');
         $container->setDefinition('foo', $definition);
 
 Notice that symfony will internally call the PHP function require_once
