minor #4788 Controller is a callable (timglabisch)

wouterj · wouterj · commit 74c3a35d04ec · 2015-01-08T20:15:41.000+01:00
This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #4788). Discussion ---------- Controller is a callable Hello, i am not sure about this PR but the statement ``A controller is a PHP function`` is wrong. A controller can be everything that is callable by php. Commits ------- 3e98b3a Controller is a callable
diff --git a/book/controller.rst b/book/controller.rst
@@ -4,7 +4,7 @@
 Controller
 ==========
 
-A controller is a PHP function you create that takes information from the
+A controller is a PHP callable you create that takes information from the
 HTTP request and constructs and returns an HTTP response (as a Symfony
 ``Response`` object). The response could be an HTML page, an XML document,
 a serialized JSON array, an image, a redirect, a 404 error or anything else
