function date_timezone_update_5200 in Date 5.2

Same name and namespace in other branches

1. 6.2 date_timezone/date_timezone.install \date_timezone_update_5200()
2. 6 date_timezone/date_timezone.install \date_timezone_update_5200()

Get rid of deprecated timezone names.

File

date_timezone/date_timezone.install, line 68

Installation file for Date Timezone

Code

function date_timezone_update_5200() {
  $ret = array();
  $old = variable_get('date_default_timezone_name', NULL);
  if (!empty($old)) {
    $new = _date_timezone_replacement($old);
    if (!empty($new) && $new != $old) {
      variable_set('date_default_timezone_name', $new);
    }
  }
  $results = db_query("SELECT DISTINCT timezone_name FROM {users} ORDER BY timezone_name");
  while ($row = db_fetch_object($results)) {
    if (!empty($row->timezone_name)) {
      $new = _date_timezone_replacement($row->timezone_name);
      if (!empty($new) && $new != $row->timezone_name) {
        db_query("UPDATE {users} SET timezone_name = '%s' WHERE timezone_name = '%s'", $new, $row->timezone_name);
      }
    }
  }

  // Make sure the timezone name list gets updated.
  cache_clear_all('date_timezone_identifiers_list', 'cache');
  return $ret;
}