(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlCalendar::isWeekend — Whether a certain date/time is in the weekend
面向对象风格
$date = NULL
) : bool过程化风格
Returns whether either the obejct?s current time or the provided timestamp occur during a weekend in this object?s calendar system.
This function requires ICU 4.4 or later.
calThe IntlCalendar resource.
date
An optional timestamp representing the number of milliseconds since the
epoch, excluding leap seconds. If null, this object?s current time is
used instead.
A bool indicating whether the given or this object?s time occurs in a weekend.
The value false may also be returned on failure, for instance after giving
a date out of bounds on non-lenient mode; use exceptions or query
intl_get_error_code() to disambiguate.
Example #1 IntlCalendar::isWeekend()
<?php
ini_set('date.timezone', 'Europe/Lisbon');
$cal = new IntlGregorianCalendar(NULL, 'en_US');
$cal->set(2013, 6 /* July */, 7); // a Sunday
var_dump($cal->isWeekend()); // true
var_dump($cal->isWeekend(strtotime('2013-07-01 00:00:00'))); // false, Monday
$cal = new IntlGregorianCalendar(NULL, 'ar_SA');
$cal->set(2013, 6 /* July */, 7); // a Sunday
var_dump($cal->isWeekend()); // false, Sunday not in weekend in this calendar