我正在使用Carbon PHP库。重复问题中的答案使用PHP的内置函数。
下面是我用来查找日期范围($userDateStart
和$userDateEnd
)是否在另一个日期范围($couponStart and
$ couponEnd`)中的代码,它可以正常工作而没有任何错误,但是我不知道如何找到重叠/存在的日期在这个日期范围内?
我正在使用的库是http://carbon.nesbot.com/docs/
在这种情况下,预期结果应该为4。希望您会帮助我。
$userDateStart = Carbon::createFromFormat('Y-m-d','2015-06-26');
$userDateEnd = Carbon::createFromFormat('Y-m-d','2015-06-29');
$couponStart = Carbon::createFromFormat('Y-m-d','2015-06-26');
$couponEnd = Carbon::createFromFormat('Y-m-d','2015-10-31');
if(($userDateStart >= $couponStart && $userDateEnd <= $couponEnd) ||
($couponStart >= $userDateStart && $couponEnd <= $userDateEnd)){
die("Yes,The date is within this date range");
}
die("No,It is not within this date range");
根据提供的文档,您需要使用以下命令:
$dt = Carbon::create(2012, 4, 30, 0);
echo $dt->diffInDays($dt->copy()->addMonth()); // 30
echo $dt->diffInDays($dt->copy()->addWeek()); // 7
因此,要使用您的程序,我想您需要这样做:
$userDateStart = Carbon::createFromFormat('Y-m-d','2015-06-26');
$userDateEnd = Carbon::createFromFormat('Y-m-d','2015-06-29');
$couponStart = Carbon::createFromFormat('Y-m-d','2015-06-26');
$couponEnd = Carbon::createFromFormat('Y-m-d','2015-10-31');
//Determin the highest date from the starts and the minimum dates from the ends
$startBetweenDate = $userDateStart->max($couponStart);
$endBetweenDate = $userDateEnd->min($couponEnd);
//Now find how many days are between
echo $startBetweenDate->diffInDays($endBetweenDate); //Should be 4
请注意:由于我没有安装Carbon的库,因此未经过测试。
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