Clear a field or all fields (original) (raw)

`<?php
ini_set('intl.default_locale', 'es_ES');
ini_set('date.timezone', 'UTC');$fields = array(
'FIELD_ERA' => 0,
'FIELD_YEAR' => 1,
'FIELD_MONTH' => 2,
'FIELD_WEEK_OF_YEAR' => 3,
'FIELD_WEEK_OF_MONTH' => 4,
'FIELD_DATE' => 5,
'FIELD_DAY_OF_YEAR' => 6,
'FIELD_DAY_OF_WEEK' => 7,
'FIELD_DAY_OF_WEEK_IN_MONTH' => 8,
'FIELD_AM_PM' => 9,
'FIELD_HOUR' => 10,
'FIELD_HOUR_OF_DAY' => 11,
'FIELD_MINUTE' => 12,
'FIELD_SECOND' => 13,
'FIELD_MILLISECOND' => 14,
'FIELD_ZONE_OFFSET' => 15,
'FIELD_DST_OFFSET' => 16,
'FIELD_YEAR_WOY' => 17,
'FIELD_DOW_LOCAL' => 18,
'FIELD_EXTENDED_YEAR' => 19,
'FIELD_JULIAN_DAY' => 20,
'FIELD_MILLISECONDS_IN_DAY' => 21,
'FIELD_IS_LEAP_MONTH' => 22,
'FIELD_FIELD_COUNT' => 23,
);
function getSetFields(IntlCalendar $cal) {
global $fields;
$ret = array();
foreach ($fields as name=>name => name=>value) {
if ($cal->isSet($value)) { ret[]=ret[] = ret[]=name;
}
}
return $ret;
}$cal = new IntlGregorianCalendar(2013, 2 /* March */, 15);
echo "After GregorianCalendar creation\n";
print_r(getSetFields($cal));
echo "\n";

echo

IntlDateFormatter::formatObject($cal), "\n";
echo "After the formatter requested the extended year\n";
print_r(getSetFields($cal));
echo "\n";$cal->clear(IntlCalendar::FIELD_YEAR);
echo "After the year has been cleared, the date stays the same\n";
echo IntlDateFormatter::formatObject($cal), "\n";
echo "because FIELD_EXTENDED_YEAR is still set\n";
print_r(getSetFields($cal));
echo "\n";var_dump($cal->clear(IntlCalendar::FIELD_EXTENDED_YEAR));
echo "After the extended year has been cleared\n";
print_r(getSetFields($cal));
echo IntlDateFormatter::formatObject($cal), "\n";
echo "\n";

echo

"After the fields are recalculated,\n"
. " extended year is set again (to 1970)\n";
print_r(getSetFields($cal));
echo "\n";$cal->clear();
echo "After calling variant with no arguments\n";
print_r(getSetFields($cal));
echo IntlDateFormatter::formatObject($cal), "\n"; `

After GregorianCalendar creation Array ( [0] => FIELD_ERA [1] => FIELD_YEAR [2] => FIELD_MONTH [3] => FIELD_DATE )

15/03/2013 00:00:00 After the formatter requested the extended year Array ( [0] => FIELD_ERA [1] => FIELD_YEAR [2] => FIELD_MONTH [3] => FIELD_DATE [4] => FIELD_EXTENDED_YEAR )

After the year has been cleared, the date stays the same 15/03/2013 00:00:00 because FIELD_EXTENDED_YEAR is still set Array ( [0] => FIELD_ERA [1] => FIELD_MONTH [2] => FIELD_DATE [3] => FIELD_EXTENDED_YEAR )

bool(true) After the extended year has been cleared Array ( [0] => FIELD_ERA [1] => FIELD_MONTH [2] => FIELD_DATE ) 15/03/1970 00:00:00

After the fields are recalculated, extended year is set again (to 1970) Array ( [0] => FIELD_ERA [1] => FIELD_MONTH [2] => FIELD_DATE [3] => FIELD_EXTENDED_YEAR )

After calling variant with no arguments Array ( ) 01/01/1970 00:00:00