fetch_windows_zones.php
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fetch_windows_zones.php
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	#!/usr/bin/env php
	<?php

	$windowsZonesUrl = 'http://unicode.org/repos/cldr/trunk/common/supplemental/windowsZones.xml';
	$outputFile = __DIR__ . '/../lib/timezonedata/windowszones.php';

	echo "Fetching timezone map from: " . $windowsZonesUrl, "\n";

	$data = file_get_contents($windowsZonesUrl);

	$xml = simplexml_load_string($data);

	$map = array();

	foreach($xml->xpath('//mapZone') as $mapZone) {

	$from = (string)$mapZone['other'];
	$to = (string)$mapZone['type'];

	list($to) = explode(' ', $to, 2);

	if (!isset($map[$from])) {
	$map[$from] = $to;
	}

	}

	ksort($map);
	echo "Writing to: $outputFile\n";

	$f = fopen($outputFile,'w');
	fwrite($f, "<?php\n\n");
	fwrite($f, "/**\n");
	fwrite($f, " * Automatically generated timezone file\n");
	fwrite($f, " *\n");
	fwrite($f, " * Last update: " . date(DATE_W3C) . "\n");
	fwrite($f, " * Source: " .$windowsZonesUrl . "\n");
	fwrite($f, " *\n");
	fwrite($f, " * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).\n");
	fwrite($f, " * @license http://sabre.io/license/ Modified BSD License\n");
	fwrite($f, " */\n");
	fwrite($f, "\n");
	fwrite($f, "return ");
	fwrite($f, var_export($map, true) . ';');
	fclose($f);

	echo "Done\n";