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IntlCalendar::equals

(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)

IntlCalendar::equalsCompare time of two IntlCalendar objects for equality

说明

面向对象风格

public IntlCalendar::equals(IntlCalendar $other): bool

过程化风格

intlcal_equals(IntlCalendar $calendar, IntlCalendar $other): bool

Returns true if this calendar and the given calendar have the same time. The settings, calendar types and field states do not have to be the same.

参数

calendar

IntlCalendar 实例。

other

The calendar to compare with the primary object.

返回值

Returns true if the current time of both this and the passed in IntlCalendar object are the same, or false otherwise.

On failure false is also returned. To detect error conditions use intl_get_error_code(), or set up Intl to throw exceptions.

示例

示例 #1 IntlCalendar::equals()

<?php
ini_set
('date.timezone', 'UTC');

$cal1 = IntlCalendar::createInstance(NULL, 'es_ES');
$cal2 = clone $cal1;

var_dump($cal1->equals($cal2)); //TRUE

//The locale is not included in the comparison
$cal2 = IntlCalendar::createInstance(NULL, 'pt_PT');
$cal2->setTime($cal1->getTime());
var_dump($cal1->equals($cal2)); //TRUE

//And set fields state is not included as well
$cal2->clear(IntlCalendar::FIELD_YEAR);
var_dump($cal1->isSet(IntlCalendar::FIELD_YEAR) ==
$cal2->isSet(IntlCalendar::FIELD_YEAR)); //FALSE
var_dump($cal1->equals($cal2)); //TRUE

//Neither is the calendar type
$cal2 = IntlCalendar::createInstance(NULL, 'es_ES@calendar=islamic');
$cal2->setTime($cal1->getTime());
var_dump($cal1->equals($cal2)); //TRUE

//Only the time is
$cal2 = clone $cal1;
$cal2->setTime($cal1->getTime() + 1.);
var_dump($cal1->equals($cal2)); //FALSE

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