ruiRoad_pro_v1.0/vendor/nesbot/carbon/readme.md

# Carbon

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An international PHP extension for DateTime. [http://carbon.nesbot.com](http://carbon.nesbot.com)

```php
use Carbon\Carbon;

printf("Right now is %s", Carbon::now()->toDateTimeString());
printf("Right now in Vancouver is %s", Carbon::now('America/Vancouver'));  //implicit __toString()
$tomorrow = Carbon::now()->addDay();
$lastWeek = Carbon::now()->subWeek();
$nextSummerOlympics = Carbon::createFromDate(2016)->addYears(4);

$officialDate = Carbon::now()->toRfc2822String();

$howOldAmI = Carbon::createFromDate(1975, 5, 21)->age;

$noonTodayLondonTime = Carbon::createFromTime(12, 0, 0, 'Europe/London');

$internetWillBlowUpOn = Carbon::create(2038, 01, 19, 3, 14, 7, 'GMT');

// Don't really want this to happen so mock now
Carbon::setTestNow(Carbon::createFromDate(2000, 1, 1));

// comparisons are always done in UTC
if (Carbon::now()->gte($internetWillBlowUpOn)) {
    die();
}

// Phew! Return to normal behaviour
Carbon::setTestNow();

if (Carbon::now()->isWeekend()) {
    echo 'Party!';
}
// Over 200 languages (and over 500 regional variants) supported:
echo Carbon::now()->subMinutes(2)->diffForHumans(); // '2 minutes ago'
echo Carbon::now()->subMinutes(2)->locale('zh_CN')->diffForHumans(); // '2分钟前'
echo Carbon::parse('2019-07-23 14:51')->isoFormat('LLLL'); // 'Tuesday, July 23, 2019 2:51 PM'
echo Carbon::parse('2019-07-23 14:51')->locale('fr_FR')->isoFormat('LLLL'); // 'mardi 23 juillet 2019 14:51'

// ... but also does 'from now', 'after' and 'before'
// rolling up to seconds, minutes, hours, days, months, years

$daysSinceEpoch = Carbon::createFromTimestamp(0)->diffInDays();
```

[Get supported nesbot/carbon with the Tidelift Subscription](https://tidelift.com/subscription/pkg/packagist-nesbot-carbon?utm_source=packagist-nesbot-carbon&utm_medium=referral&utm_campaign=readme)

## Installation

### With Composer

```
$ composer require nesbot/carbon
```

```json
{
    "require": {
        "nesbot/carbon": "^2.16"
    }
}
```

```php
<?php
require 'vendor/autoload.php';

use Carbon\Carbon;

printf("Now: %s", Carbon::now());
```

<a name="install-nocomposer"/>

### Without Composer

Why are you not using [composer](http://getcomposer.org/)? Download the Carbon [latest release](https://github.com/briannesbitt/Carbon/releases) and put the contents of the ZIP archive into a directory in your project. Then require the file `autoload.php` to get all classes and dependencies loaded on need.

```php
<?php
require 'path-to-Carbon-directory/autoload.php';

use Carbon\Carbon;

printf("Now: %s", Carbon::now());
```

## Docs

[http://carbon.nesbot.com/docs](http://carbon.nesbot.com/docs)

## Security contact information

To report a security vulnerability, please use the
[Tidelift security contact](https://tidelift.com/security).
Tidelift will coordinate the fix and disclosure.

## Credits

### Contributors

This project exists thanks to all the people who contribute. 

<a href="https://github.com/briannesbitt/Carbon/graphs/contributors" target="_blank"><img src="https://opencollective.com/Carbon/contributors.svg?width=890&button=false" /></a>

### Translators

[Thanks to people helping us to translate Carbon in so many languages](https://carbon.nesbot.com/contribute/translators/)

### Backers

Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/Carbon#backer)]

<a href="https://opencollective.com/Carbon#backers" target="_blank"><img src="https://opencollective.com/Carbon/backers.svg?width=890"></a>

### Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/Carbon#sponsor)]
<a href="https://opencollective.com/Carbon/sponsor/0/website" target="_blank"><img src="https://opencollective.com/Carbon/sponsor/0/avatar.svg"></a>
<a href="https://opencollective.com/Carbon/sponsor/1/website" target="_blank"><img src="https://opencollective.com/Carbon/sponsor/1/avatar.svg"></a>
<a href="https://opencollective.com/Carbon/sponsor/2/website" target="_blank"><img src="https://opencollective.com/Carbon/sponsor/2/avatar.svg"></a>
<a href="https://opencollective.com/Carbon/sponsor/3/website" target="_blank"><img src="https://opencollective.com/Carbon/sponsor/3/avatar.svg"></a>
<a href="https://opencollective.com/Carbon/sponsor/4/website" target="_blank"><img src="https://opencollective.com/Carbon/sponsor/4/avatar.svg"></a>