(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlCalendar::fieldDifference — Calculate difference between given time and this objectʼs time
Об'єктно-орієнтований стиль
Процедурний стиль
Return the difference between the given time and the time this object is
set to, with respect to the quantity specified the
field
parameter.
This method is meant to be called successively, first with the most significant field of interest down to the least significant field. To this end, as a side effect, this calendarʼs value for the field specified is advanced by the amount returned.
calendar
Примірник IntlCalendar.
timestamp
The time against which to compare the quantity represented by the
field
. For the result to be positive, the time
given for this parameter must be ahead of the time of the object the
method is being invoked on.
field
The field that represents the quantity being compared.
Одна із
предвизначених констант
дати/часу для IntlCalendar. Вони мають цілочисельний
(integer) тип зі значенням між 0
та
IntlCalendar::FIELD_COUNT
.
Returns a (signed) difference of time in the unit associated with the
specified field або false
в разі помилки.
Приклад #1 IntlCalendar::fieldDifference()
<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'fr_FR');
$cal1 = IntlCalendar::fromDateTime('2012-02-29 09:00:11');
$cal2 = IntlCalendar::fromDateTime('2013-03-01 09:19:29');
$time = $cal2->getTime();
echo "Time before: ", IntlDateFormatter::formatObject($cal1), "\n";
printf(
"The difference in time is %d year(s), %d month(s), "
. "%d day(s), %d hour(s) and %d minute(s)\n",
$cal1->fieldDifference($time, IntlCalendar::FIELD_YEAR),
$cal1->fieldDifference($time, IntlCalendar::FIELD_MONTH),
$cal1->fieldDifference($time, IntlCalendar::FIELD_DAY_OF_MONTH),
$cal1->fieldDifference($time, IntlCalendar::FIELD_HOUR_OF_DAY),
$cal1->fieldDifference($time, IntlCalendar::FIELD_MINUTE)
);
//now it was advanced to the target time, exception for the seconds,
//for which we did not measure the difference
echo "Time after: ", IntlDateFormatter::formatObject($cal1), "\n";
Поданий вище приклад виведе:
Time before: 29 févr. 2012 09:00:11 The difference in time is 1 year(s), 0 month(s), 1 day(s), 0 hour(s) and 19 minute(s) Time after: 1 mars 2013 09:19:11