SImple test of Intl-Calendar feature set(month)

expected result

Chinese Calendar
int(1)
int(0)
Islamic Calendar
int(8)
int(0)
Gregorian Calendar
int(3)
int(0)

gistfile1.php

<?php 


// The implementation of the chinese calendar seems to be broken
// The months can not be set.
echo 'Chinese Calendar' . PHP_EOL;
$f = IntlCalendar::createInstance('UTC', '@calendar=chinese');
var_dump($f->get(IntlCalendar::FIELD_MONTH));
$f->set(IntlCalendar::FIELD_MONTH, 0);
var_dump($f->get(IntlCalendar::FIELD_MONTH));

echo 'Islamic Calendar' . PHP_EOL;
$f = IntlCalendar::createInstance('UTC', '@calendar=islamic');
var_dump($f->get(IntlCalendar::FIELD_MONTH));
$f->set(IntlCalendar::FIELD_MONTH, 0);
var_dump($f->get(IntlCalendar::FIELD_MONTH));

echo 'Gregorian Calendar' . PHP_EOL;
$f = IntlCalendar::createInstance('UTC');
var_dump($f->get(IntlCalendar::FIELD_MONTH));
$f->set(IntlCalendar::FIELD_MONTH, 0);
var_dump($f->get(IntlCalendar::FIELD_MONTH));

result

Chinese Calendar
int(1)
int(1)
Islamic Calendar
int(8)
int(0)
Gregorian Calendar
int(3)
int(0)