Laravel，Faker - 增加生成的日期时间
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Laravel, Faker - Increment generated dateTime
提问by Томица Кора?
I'm using Faker package in my Seeder to generate fake data for training events.
我在 Seeder 中使用 Faker 包为训练事件生成假数据。
Each event has starts_atand ends_atfields. I want to populate the ends_atfield with a DateTimethat is after the one generated for starts_at, preferably by 1 to 8 hours, or even a fixed 1 hour difference would be fine.
每个事件都有starts_at和ends_at字段。我想ends_at用DateTime生成 之后的字段填充该字段starts_at，最好是 1 到 8 小时，甚至固定的 1 小时差异也可以。
回答by rmobis
Adapting the pattern described in Build APIs You Won't Hateand using the awesome Carbonpackage, here's how you can do it:
改编你不会讨厌的构建 API 中描述的模式并使用很棒的Carbon包，你可以这样做：
<?php
use Carbon\Carbon;
use Faker\Factory as Faker;
class UserEventsTableSeeder extends Seeder {
public function run() {
$faker = Faker::create();
foreach (range(1, 15) as $index) {
$startDate = Carbon::createFromTimeStamp($faker->dateTimeBetween('-1 years', '+1 month')->getTimestamp());
UserEvent::create([
// ...
'starts_at' => $startDate->toDateTimeString(),
'ends_at' => $startDate->addHours( $faker->numberBetween( 1, 8 ) )
]);
}
}
}
回答by zak.http
here is an easy way to define the ends_at
这是定义ends_at的简单方法
$starts_at = Carbon::createFromTimestamp($faker->dateTimeBetween($startDate = '+2 days', $endDate = '+1 week')->getTimeStamp()) ;
$ends_at= Carbon::createFromFormat('Y-m-d H:i:s', $starts_at)->addHours( $faker->numberBetween( 1, 8 ) );
