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chch_api/include/icalparser/bin/timezones.php

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PHP

<?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) . ';');