Online PHP editor | refs for 9Bdh9

@ 2016-11-30T15:59:40Z

<?php
print_r(DateTimeZone::listIdentifiers(DateTimeZone::PER_COUNTRY, "CO"));
print_r(DateTimeZone::listIdentifiers(DateTimeZone::PER_COUNTRY, "PE"));
print_r(DateTimeZone::listIdentifiers(DateTimeZone::PER_COUNTRY, "AR"));