From 56997536b930f6f310ab33f695217020ca7769c8 Mon Sep 17 00:00:00 2001
From: Matt Lehner <matt.lehner@tellecore.com>
Date: Tue, 14 Feb 2012 14:52:51 -0500
Subject: [PATCH] added setTimezone to allow globally overriding the timezone when formating dates

---
 lib/Twig/Extension/Core.php |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/lib/Twig/Extension/Core.php b/lib/Twig/Extension/Core.php
index f5d2acd..ae25758 100644
--- a/lib/Twig/Extension/Core.php
+++ b/lib/Twig/Extension/Core.php
@@ -16,6 +16,7 @@ class Twig_Extension_Core extends Twig_Extension
 {
     protected $dateFormats = array('F j, Y H:i', '%d days');
     protected $numberFormat = array(0, '.', ',');
+    protected $timezone = null;
 
     /**
      * Sets the default format to be used by the date filter.
@@ -45,6 +46,30 @@ class Twig_Extension_Core extends Twig_Extension
     }
 
     /**
+     * Sets the default timezone to be used by the date filter.
+     *
+     * @param DateTimeZone|string $timezone  The default timezone string or a DateTimeZone object
+     */
+    public function setTimezone($timezone)
+    {
+        if ($timezone instanceof DateTimeZone) {
+            $this->timezone = $timezone;
+        } else {
+            $this->timezone = new DateTimeZone($timezone);
+        }
+    }
+
+    /**
+     * Gets the default timezone to be used by the date filter.
+     *
+     * @return DateTimeZone The default timezone currently in use
+     */
+    public function getTimezone()
+    {
+        return $this->timezone;
+    }
+
+    /**
      * Sets the default format to be used by the number_format filter.
      *
      * @param integer $decimal The number of decimal places to use.
@@ -342,6 +367,10 @@ function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $
 
         $date->setTimezone($timezone);
     }
+    else if (($timezone = $env->getExtension('core')->getTimezone()) instanceof DateTimeZone)
+    {
+        $date->setTimezone($timezone);
+    }
 
     return $date->format($format);
 }
-- 
1.7.2.5