PHP | IntlCalendar get()函数

IntlCalendar::get()函数是PHP中的一个内置函数，用于获取特定字段的值。

句法：

• 面向对象风格

  int IntlCalendar::get( int $field )

• 程序风格

  int intlcal_get( IntlCalendar $cal, int $field )

参数：此函数使用上面提到的两个参数，如下所述：

• $cal：此参数保存 IntlCalendar 的资源。
• $field：此参数包含 IntlCalendar 日期/时间字段常量之一。该字段包含一个介于 0 到 IntlCalendar::FIELD_COUNT 之间的整数值。

返回值：此函数返回保存时间字段值的整数。

下面的程序说明了PHP中的 IntlCalendar::get()函数：

程序：

getConstants() as $constName => $constVal) {
    $arr[$constVal] = $constName;
}
  
// Create an instance of IntlCalendar
$calendar = IntlCalendar::createInstance();
  
// Display the date object
var_dump(IntlDateFormatter::formatObject($calendar));
  
// Loop to display result
foreach ($arr as $constVal => $constName) {
    echo "Constant Name: " . $constName . 
    "\nConstant Value: " . $calendar->get($constVal) . "\n\n";
}
  
?>

输出：

string(25) "Sep 23, 2019, 11:03:29 AM"
Constant Name: WALLTIME_LAST
Constant Value: 1

Constant Name: WALLTIME_FIRST
Constant Value: 2019

Constant Name: WALLTIME_NEXT_VALID
Constant Value: 8

Constant Name: DOW_TYPE_WEEKEND_CEASE
Constant Value: 39

Constant Name: DOW_WEDNESDAY
Constant Value: 4

Constant Name: DOW_THURSDAY
Constant Value: 23

Constant Name: DOW_FRIDAY
Constant Value: 266

Constant Name: DOW_SATURDAY
Constant Value: 2

Constant Name: FIELD_DAY_OF_WEEK_IN_MONTH
Constant Value: 4

Constant Name: FIELD_AM_PM
Constant Value: 0

Constant Name: FIELD_HOUR
Constant Value: 11

Constant Name: FIELD_HOUR_OF_DAY
Constant Value: 11

Constant Name: FIELD_MINUTE
Constant Value: 3

Constant Name: FIELD_SECOND
Constant Value: 29

Constant Name: FIELD_MILLISECOND
Constant Value: 939

Constant Name: FIELD_ZONE_OFFSET
Constant Value: 19800000

Constant Name: FIELD_DST_OFFSET
Constant Value: 0

Constant Name: FIELD_YEAR_WOY
Constant Value: 2019

Constant Name: FIELD_DOW_LOCAL
Constant Value: 2

Constant Name: FIELD_EXTENDED_YEAR
Constant Value: 2019

Constant Name: FIELD_JULIAN_DAY
Constant Value: 2458750

Constant Name: FIELD_MILLISECONDS_IN_DAY
Constant Value: 39809939

Constant Name: FIELD_IS_LEAP_MONTH
Constant Value: 0

Constant Name: FIELD_FIELD_COUNT
Constant Value:

参考： https://www. PHP.net/manual/en/intlcalendar.get。 PHP