如何设置日期，间隔的天数n

Question

我目前的代码设置所有当前提醒(4)，作为同一日期。我该如何区分这87天。

foreach ($request->pets as $pet) {
  $clientPet = $client->pets()->find($pet)->first();
  $clientPet->name = $pet['name'];
  $clientPet->treated_at = $pet['treatedAt'];

  $clientPet->save();

  foreach($clientPet->reminders as $reminders)
  {

    $reminders->scheduled_at   = Carbon::createFromFormat('Y-m-d', $clientPet->treated_at)->addWeeks(12)->subDays(3);
    $reminders->product_id     = $pet['productId'];
    $reminders->application_id = $pet['applicationId'];

    $reminders->save();
  }

}

Answer 1

您没有在代码中保留对最后一个日期的引用，但是您总是将87天(或多天)添加到原来的日期，因此请尝试如下

$date = Carbon::createFromFormat('Y-m-d', $clientPet->treated_at);
foreach($clientPet->reminders as $reminder)
{

   $reminder->scheduled_at   = $date->addDays(87);
   $reminder->product_id     = $pet['productId'];
   $reminder->application_id = $pet['applicationId'];

   $reminder->save();
}

由于碳是可变的，每一个$reminder将比前一个多87天。

Answer 2

使用这个

foreach ($request->pets as $pet) {
   $clientPet = $client->pets()->find($pet)->first();
   $clientPet->name = $pet['name'];
   $clientPet->treated_at = $pet['treatedAt'];

   $clientPet->save();

   foreach($clientPet->reminders as $reminders)
   {

     $reminders->scheduled_at   = Carbon::createFromFormat('Y-m-d', $clientPet->treated_at)->addDays(10);
     $reminders->product_id     = $pet['productId'];
     $reminders->application_id = $pet['applicationId'];

     $reminders->save();
   }

}