--- /dev/null
+--TEST--
+IntlDateFormatter, calendars and time zone
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '54.1') < 0) die('skip for ICU >= 54.1'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$fmt1 = new IntlDateFormatter('en_US',
+ IntlDateFormatter::FULL,
+ IntlDateFormatter::FULL,
+ 'GMT+05:12',
+ IntlDateFormatter::TRADITIONAL);
+$fmt2 = new IntlDateFormatter('en_US',
+ IntlDateFormatter::FULL,
+ IntlDateFormatter::FULL,
+ 'GMT+05:12',
+ IntlDateFormatter::GREGORIAN);
+$fmt3 = new IntlDateFormatter('en_US@calendar=hebrew',
+ IntlDateFormatter::FULL,
+ IntlDateFormatter::FULL,
+ 'GMT+05:12',
+ IntlDateFormatter::TRADITIONAL);
+var_dump($fmt1->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt2->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt3->format(strtotime('2012-01-01 00:00:00 +0000')));
+
+new IntlDateFormatter('en_US@calendar=hebrew',
+ IntlDateFormatter::FULL,
+ IntlDateFormatter::FULL,
+ 'GMT+05:12',
+ -1);
+?>
+==DONE==
+--EXPECTF--
+string(47) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(47) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(44) "Sunday, 6 Tevet 5772 at 5:12:00 AM GMT+05:12"
+
+Warning: IntlDateFormatter::__construct(): datefmt_create: invalid value for calendar type; it must be one of IntlDateFormatter::TRADITIONAL (locale's default calendar) or IntlDateFormatter::GREGORIAN. Alternatively, it can be an IntlCalendar object in %sdateformat_calendars_variant%d.php on line %d
+==DONE==