Table of Contents
Localization
Time interval
Why should I use Carbon with Composer for date and time management in PHP?
How to install Carbon using Composer?
Home Backend Development PHP Tutorial Suggesting Carbon with Composer - Date and Time the Right Way

Suggesting Carbon with Composer - Date and Time the Right Way

Feb 16, 2025 am 09:50 AM

Carbon: PHP date and time processing tool

Carbon is a lightweight PHP library for simplifying the processing of dates and times. It is based on and extends the core DateTime class and adds many convenient methods to make date-time operation easier. This article will introduce the basic usage of Carbon and demonstrate how to use it in a real project.

Suggesting Carbon with Composer - Date and Time the Right Way

Core points:

  • Carbon is a library designed for PHP date and time operations, extending the core DateTime classes and adding user-friendly methods to provide a more intuitive experience.
  • The library can be installed using Composer and can be instantiated from strings, timestamps, or other DateTime or Carbon instances. It provides a number of auxiliary inspectors and acquirers for a variety of operations related to date and time.
  • Carbon supports localization, allowing output to be displayed in any desired language installed on the machine running PHP applications. It also provides a CarbonInterval class for saving interval values ​​and additional helper methods.
  • Example of implementing Carbon in a project is shown by upgrading the Diffbot PHP client to support Carbon. If the user has installed the library, the Article entity and Post entity will return the Carbon instance from its getDate and getEstimatedDate methods, instead of the date string.

Introduction:

Carbon is a class designed to replace DateTime. Due to the extension of DateTime, all DateTime methods are available for Carbon users. Additionally, it implements the __toString method, allowing the user to replace it with a string representation of date and time.

It can be easily installed using Composer:

composer require nesbot/carbon
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Copy after login

Let's take a look at some of the example usages provided in the documentation.

Example usage:

The easiest way to use Carbon is to pass a human-readable date string into its constructor, as well as an optional time zone—if the time zone is omitted, the time zone set by the current PHP installation will be used.

$carbon = new Carbon('first day of next week');
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It can also be instantiated from strings, timestamps, and even other DateTime or Carbon instances. The instance can be copied using the copy() method for efficient cloning.

We can then access various auxiliary inspectors and acquirers:

$carbon->isWeekend();
$carbon->isFuture();
$carbon->isLeapYear();

$carbon->year;
$carbon->month;

$carbon->daysInMonth;
$carbon->weekOfYear;
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The package also exposes static methods for quickly creating new instances:

echo Carbon::now()->addYear()->diffForHumans();    // in 1 year
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You can even check your birthday, as we see this example from the documentation:

$born = Carbon::createFromDate(1987, 4, 23);
$noCake = Carbon::createFromDate(2014, 9, 26);
$yesCake = Carbon::createFromDate(2014, 4, 23);
$overTheHill = Carbon::now()->subYears(50);
var_dump($born->isBirthday($noCake));              // bool(false)
var_dump($born->isBirthday($yesCake));             // bool(true)
var_dump($overTheHill->isBirthday());              // bool(true) -> default compare it to today!
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Localization

Carbon also supports localization so that it can be output using any desired language installed on the machine running a PHP application. Note that you need to install the necessary locale to make it work – see the documentation for your operating system for details on how to do this.

To localize date and time strings, you can use the standard PHP function setlocale:

composer require nesbot/carbon
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To localize the diffForHumans method to output human-readable time difference, this class provides its own setLocale method:

$carbon = new Carbon('first day of next week');
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Time interval

also provides a CarbonInterval class, which is an extension of DateInterval. As the name implies, it saves interval values ​​like a base class, but adds helper methods on top of it. For example:

$carbon->isWeekend();
$carbon->isFuture();
$carbon->isLeapYear();

$carbon->year;
$carbon->month;

$carbon->daysInMonth;
$carbon->weekOfYear;
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Copy after login

Please note that Carbon itself has very well-developed documentation – a complete reference to the method and usage examples, see its documentation.

Implementation:

In this section, we will upgrade the Diffbot PHP client to optionally support Carbon. The plan is as follows: If the user has installed the library, the Article entity and Post entity will return the Carbon instance from its getDate and getEstimatedDate methods, instead of the date string. Otherwise, they will return the string as usual.

Conclusion:

We looked at Carbon, which is an extension of DateTime, which adds useful methods to core classes and makes it more enjoyable to use. We see how it is easy to implement in the project and how it replaces pure string output and timestamps with different internal string formats.

Frequently Asked Questions about Carbon using Composer, Date and Time:

Why should I use Carbon with Composer for date and time management in PHP?

Carbon is a simple PHP API extension for DateTime. It provides a more user-friendly and intuitive interface for handling dates and times in PHP. It contains some useful methods and constants to make processing dates and times easier. Using Carbon with Composer allows you to manage dependencies and ensure that the project has the correct version of the necessary packages, including Carbon.

How to install Carbon using Composer?

To install Carbon using Composer, you need to run the command composer require nesbot/carbon. This command tells Composer to download the Carbon package and add it as a dependency in the project. Once the installation is complete, you can use Carbon in your PHP script by including the autoloader (using require 'vendor/autoload.php';).

...(The rest of the FAQ sections can be similarly rewrite based on the original text to maintain consistency of the content and adjust the language style)

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