(PHP 5 >= 5.5.0, PHP 7)
IntlTimeZone::createTimeZoneIDEnumeration — Get an enumeration over system time zone IDs with the given filter conditions
$zoneType
   [, string $region
   [, int $rawOffset
  ]] ) : IntlIterator
This function is currently not documented; only its argument list is available.
zoneType
region
rawOffset
   Returns IntlIterator or FALSE on failure.