如何使用 laravel 从当前日期查找季度的第一天和最后一天

How to find quarter first date and last date from current date using laravel

我正在尝试设置当前季度的开始日期和结束日期。

        case 'quarter':
            $date =  Carbon::now()->month(Carbon::now()->month-3);
            print_r($date);
            $startDate = Carbon::now()->startOfQuarter(); // the actual start of quarter method
            $endDate = Carbon::now()->endOfQuarter();
        break;

输出为

quarter
Carbon\Carbon Object
(
[date] => 2020-12-04 05:21:08.443008
[timezone_type] => 3
[timezone] => UTC
)
Array
(
[startDate] => Carbon\Carbon Object
(
[date] => 2021-01-01 00:00:00.000000
[timezone_type] => 3
[timezone] => UTC
)

[endDate] => Carbon\Carbon Object
(
[date] => 2021-03-31 23:59:59.999999
[timezone_type] => 3
[timezone] => UTC
)

)

如何使用 Carbon 确定当前季度? IE。我想知道季度开始的日期和结束的日期。并且 我想在上一季度之前设置开始日期和结束日期。

 case 'quarter':
            $date =  Carbon::now()->month(Carbon::now()->month-6);            
            $startDate = Carbon::now()->startOfQuarter(); // the actual start of quarter method
            $endDate = Carbon::now()->endOfQuarter();
        break;

但是现在我正在为如何获取当前季度和上一季度的开始和结束日期而苦恼。

$date = CarbonImmutable::now();
$startCurrent = $date->startOfQuarter();
$startPrevious = $startCurrent->subQuarter();

echo $startPrevious . "\n";
echo $startPrevious->endOfQuarter() . "\n";
echo $startCurrent . "\n";
echo $startCurrent->endOfQuarter() . "\n";