From: kimu <patrick.polloni@gmail.com>
Date: Thu, 23 May 2013 16:41:50 +0000 (+0200)
Subject: Added info about variable declarations inside a loop
X-Git-Url: http://git.silmor.de/gitweb/?a=commitdiff_plain;h=d5f4ec309b2be1593f654787f1abe0ea7d1c98b6;p=web%2Fkonrad%2Ftwig.git

Added info about variable declarations inside a loop
---

diff --git a/doc/tags/set.rst b/doc/tags/set.rst
index ac5ce53..2ddff85 100644
--- a/doc/tags/set.rst
+++ b/doc/tags/set.rst
@@ -52,3 +52,18 @@ The ``set`` tag can also be used to 'capture' chunks of text:
 
     If you enable automatic output escaping, Twig will only consider the
     content to be safe when capturing chunks of text.
+	
+Note that differently from PHP in Twig loops are scoped, therefore a variable 
+declared inside a for-in loop isn't accessibile outside the loop itself.
+The variable must be declared before the loop to be accessibile elsewhere.
+
+.. code-block:: jinja
+
+    {% set foo = "" %}
+    {% for item in list %}
+        {% set foo = item %}
+    {% endfor %}
+    {{ dump(foo) }}
+	
+
+