IntlCalendar::getMinimalDaysInFirstWeek

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

IntlCalendar::getMinimalDaysInFirstWeek — Get minimal number of days the first week in a year or month can have

说明

面向对象风格

public IntlCalendar::getMinimalDaysInFirstWeek(): int|false

过程化风格

intlcal_get_minimal_days_in_first_week(IntlCalendar $calendar): int|false

Returns the smallest number of days the first week of a year or month must have in the new year or month. For instance, in the Gregorian calendar, if this value is 1, then the first week of the year will necessarily include January 1st, while if this value is 7, then the week with January 1st will be the first week of the year only if the day of the week for January 1st matches the day of the week returned by IntlCalendar::getFirstDayOfWeek(); otherwise it will be the previous yearʼs last week.

参数

calendar: IntlCalendar 实例。

返回值

An int representing a number of days 或者在失败时返回 false.

范例

示例 #1 IntlCalendar::getMinimalDaysInFirstWeek()


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

$cal = new IntlGregorianCalendar(2013, 0 /* January */, 2);
var_dump(IntlDateFormatter::formatObject($cal, 'cccc')); // Wednesday

var_dump($cal->getMinimalDaysInFirstWeek(), // 1
$cal->getFirstDayofWeek()); // 1 (Sunday)

// Week 1 of 2013
var_dump(IntlDateFormatter::formatObject($cal, "'Week 'w' of 'Y"));

$cal->setMinimalDaysInFirstWeek(4);
// Still Week 1 of 2013 (1st week has 5 days in the new year)
var_dump(IntlDateFormatter::formatObject($cal, "'Week 'w' of 'Y"));

$cal->setMinimalDaysInFirstWeek(6);
// Week 53 of 2012
var_dump(IntlDateFormatter::formatObject($cal, "'Week 'w' of 'Y"));

以上例程会输出：

string(9) "Wednesday"
int(1)
int(1)
string(14) "Week 1 of 2013"
string(14) "Week 1 of 2013"
string(15) "Week 53 of 2012"

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官方地址：https://www.php.net/manual/en/intlcalendar.getminimaldaysinfirstweek.php

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IntlCalendar::getMinimalDaysInFirstWeek

说明

参数

返回值

范例

User Contributed Notes