From: Andy Street <andy@street.me.uk>
Date: Sun, 15 Sep 2019 22:09:57 +0000 (+0100)
Subject: Bugfix: Timestamps not converted to UTC when writing GPX
X-Git-Url: https://git.street.me.uk/andy/gpx.git/commitdiff_plain

Bugfix: Timestamps not converted to UTC when writing GPX
---

diff --git a/src/libgpx/gpxwriter.php b/src/libgpx/gpxwriter.php
index 24b80b5..410bbe3 100644
--- a/src/libgpx/gpxwriter.php
+++ b/src/libgpx/gpxwriter.php
@@ -425,7 +425,7 @@ class GPXWriter
   ) {
     if ($millis === null)
       $millis = $this->milliseconds;
-    if (!$timestamp->getTimezone()->getOffset($timestamp))
+    if ($timestamp->getTimezone()->getOffset($timestamp) != 0)
       $timestamp = $timestamp->setTimezone(new DateTimeZone('UTC'));
     $format = 'Y-m-d\TH:i:s' . ($millis ? '.v\Z' : '\Z');
     return $timestamp->format($format);