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-rw-r--r--includes/ical/bin/timezones.php20
1 files changed, 20 insertions, 0 deletions
diff --git a/includes/ical/bin/timezones.php b/includes/ical/bin/timezones.php
new file mode 100644
index 0000000..3bf3708
--- /dev/null
+++ b/includes/ical/bin/timezones.php
@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * This file generates a map from windows timezones to tz database timezones
+ *
+ * @author Clement Wong <cw@clement.hk>
+ * @license http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+$windows_timezones = [];
+$windowstimezonexml = new DOMDocument();
+$windowstimezonexml->load('https://raw.githubusercontent.com/unicode-org/cldr/master/common/supplemental/windowsZones.xml');
+$zones = $windowstimezonexml->getElementsByTagName('mapZone');
+foreach ($zones as $zone) {
+ if ($zone->getAttribute('territory') === '001') {
+ $windows_timezones[$zone->getAttribute('other')] = $zone->getAttribute('type');
+ }
+}
+
+file_put_contents(__DIR__ . '/../src/WindowsTimezones.php', "<?php\n\$windows_timezones = " . var_export($windows_timezones, true) . ';');
+