PHP 7.2.9 Released

IntlCalendar::isEquivalentTo

(PHP 5 >= 5.5.0, PHP 7, PECL >= 3.0.0a1)

IntlCalendar::isEquivalentToWhether another calendar is equal but for a different time

説明

オブジェクト指向型

public bool IntlCalendar::isEquivalentTo ( IntlCalendar $other )

手続き型

bool intlcal_is_equivalent_to ( IntlCalendar $cal , IntlCalendar $other )

Returns whether this and the given object are equivalent for all purposes except as to the time they have set. The locales do not have to match, as long as no change in behavior results from such mismatch. This includes the timezone, whether the lenient mode is set, the repeated and skipped wall time settings, the days of the week when the weekend starts and ceases and the times where such transitions occur. It may also include other calendar specific settings, such as the Gregorian/Julian transition instant.

パラメータ

cal

The IntlCalendar resource.

other

The other calendar against which the comparison is to be made.

返り値

Assuming there are no argument errors, returns TRUE iif the calendars are equivalent except possibly for their set time.

例1 IntlCalendar::isEquivalentTo()

<?php
$cal1 
IntlCalendar::createInstance('Europe/Lisbon''pt_PT');
$cal2 IntlCalendar::createInstance('Europe/Lisbon''es_ES');
$cal2->clear();

var_dump($cal1->isEquivalentTo($cal2)); // true

$cal3 IntlCalendar::createInstance('Europe/Lisbon''en_US');
var_dump($cal1->isEquivalentTo($cal3)); // false
var_dump($cal1->getFirstDayOfWeek(),    // 2 (Monday)
$cal3->getFirstDayOfWeek());            // 1 (Sunday)

上の例の出力は以下となります。

bool(true)
bool(false)
int(2)
int(1)

参考

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