resources/timezones/generate-timezone-map.php

   1 #!/usr/bin/env php
   2 <?php
   3
   4 $root = dirname(dirname(dirname(__FILE__)));
   5 require_once $root.'/scripts/init/init-script.php';
   6
   7 $xml = $root.'/externals/cldr/cldr_windows_timezones.xml';
   8 $xml = Filesystem::readFile($xml);
   9 $xml = new SimpleXMLElement($xml);
  10
  11 $result_map = array();
  12
  13 $ignore = array(
  14   'UTC',
  15   'UTC-11',
  16   'UTC-02',
  17   'UTC-08',
  18   'UTC-09',
  19   'UTC+12',
  20 );
  21 $ignore = array_fuse($ignore);
  22
  23 $zones = $xml->windowsZones->mapTimezones->mapZone;
  24 foreach ($zones as $zone) {
  25   $windows_name = (string)$zone['other'];
  26   $target_name = (string)$zone['type'];
  27
  28   // Ignore the offset-based timezones from the CLDR map, since we handle
  29   // these later.
  30   if (isset($ignore[$windows_name])) {
  31     continue;
  32   }
  33
  34   // We've already seen this timezone so we don't need to add it to the map
  35   // again.
  36   if (isset($result_map[$windows_name])) {
  37     continue;
  38   }
  39
  40   $result_map[$windows_name] = $target_name;
  41 }
  42
  43 asort($result_map);
  44
  45 echo id(new PhutilJSON())
  46   ->encodeFormatted($result_map);