Online PHP editor | refs for 66Wvt

<?php $countries = ['US', 'CA', 'MX', 'GB', 'IE']; $regions = []; foreach ($countries as $country) { $tz = DateTimeZone::listIdentifiers(DateTimeZone::PER_COUNTRY, $country); $countryRegions = []; foreach ($tz as $tzid) { $t = new DateTimeZone($tzid); $countryRegions[$tzid] = $t->getLocation()['comments'] ?: 'Default'; } asort($countryRegions); $regions[$country] = $countryRegions; } var_export($regions);