From 6bfc97da869ca180d2f5fee01c9ff503cb47b1bd Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Fri, 26 Apr 2013 10:31:57 +0400
Subject: add automatic timezone (based on client tz offset)

---
 include/functions.php | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'include/functions.php')

diff --git a/include/functions.php b/include/functions.php
index b54187e18..4272c649d 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -862,13 +862,18 @@
 
 		$user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 
-		try {
-			if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
-		} catch (Exception $e) {
-			$user_tz = $utc_tz;
-		}
+		if ($user_tz_string != 'Automatic') {
 
-		$tz_offset = $user_tz->getOffset($dt);
+			try {
+				if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
+			} catch (Exception $e) {
+				$user_tz = $utc_tz;
+			}
+
+			$tz_offset = $user_tz->getOffset($dt);
+		} else {
+			$tz_offset = (int) $_SESSION["clientTzOffset"];
+		}
 
 		$user_timestamp = $dt->format('U') + $tz_offset;
 
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