Fix PHP requirement in installation documentation

Dorian Villet · weaverryan · commit 1cc6a0533cf5 · 2013-11-20T16:00:11.000-08:00
Changed minimal PHP requirement from 5.3.8 to 5.3.3, as it's the version required in composer for symfony/symfony. If 5.3.8 (or higher) is the recommended one, I'll suggest to add a comment about it.
diff --git a/book/installation.rst b/book/installation.rst
@@ -20,7 +20,7 @@ Installing a Symfony2 Distribution
 .. tip::
 
     First, check that you have installed and configured a Web server (such
-    as Apache) with PHP 5.3.8 or higher. For more information on Symfony2
+    as Apache) with PHP 5.3.3 or higher. For more information on Symfony2
     requirements, see the :doc:`requirements reference </reference/requirements>`.
 
 Symfony2 packages "distributions", which are fully-functional applications
