In modern PHP development, handling dates and times is a common and crucial task. The Carbon library, a powerful extension of DateTime, offers a wealth of features to simplify these operations. This article provides a detailed explanation of Carbon 3's diff function and the CarbonInterval class. These tools play a vital role in calculating and managing time differences.

When defining relationships between databases in Laravel, foreign key constraints are indispensable. Both the foreignId() and foreign() functions are methods used to define foreign key constraints in Laravel migrations, but their purposes and usage differ slightly. Let's explore their differences and when to use each one.

Laravel's routing system offers a powerful way to extract information from URLs. At the heart of this functionality are route parameters. This article will delve into how to retrieve route parameters, the concepts of implicit and explicit binding, and important considerations when using them.

Authorization, the process of controlling what actions a user can perform, is a critical aspect of Laravel application development. Laravel offers two primary tools for managing authorization effectively: Gates and Policies. This article will delve into the differences between Gates and Policies, their respective use cases, and how to leverage them effectively through practical code examples.

To ensure consistency in validation messages, I explored the methods provided in the Laravel documentation and implemented a simple example with test code.

When setting up Laravel Excel in a local Docker environment, I encountered errors like 'GD library is missing' or 'Extension is missing'.This article is a note that how I resolved these issues to use Laravel Excel smoothly.

During the development of a Laravel application, I encountered an issue with garbled filenames when extracting ZIP files containing Japanese characters using ZipArchive. This article details the problem, the solution, and key takeaways.

The `format` and `isoFormat` functions in the Carbon library are both methods for formatting dates and times, but there are differences in their usage and functionality.

Laravel's back() function is a convenient feature that redirects users to the previous page, commonly used in handling validation errors during form submission. This article will introduce three methods for returning error messages while redirecting back to the previous page.

In this article, we will explore the root cause of this issue, which is the misunderstanding of the createFromFormat method. We will also briefly introduce the internal workings of DateTime::createFromFormat, and provide practical solutions and example code to help you avoid similar problems. The createFromFormat method is also available in the Carbon library, which also uses DateTime::createFromFormat, so Carbon has the same phenomenon, and the solutions in this article also apply to Carbon. Through this article, we hope to help you better understand date and time processing, and be able to more effectively deal with related issues, ensuring that your applications can work correctly in all situations. Let's start exploring this key topic together.

Laravel is a framework that allows for easy implementation of pagination. However, when clicking on pagination links, if query strings are not added, values entered may be cleared upon page transition. To solve this problem, Laravel provides two methods: appends() and withQueryString().

In many websites with management interfaces, especially for services that analyze data and store data, you will often see the option to download files so that users can get the data they want to their computers. Laravel also provides methods to download files, images, or data from databases into text files for exporting to the server in response to such operational needs. The following section will discuss the commonly used methods and how to export the contents of Array as a csv file.

RDS is configured to connect only from EC2, so if you want to connect to RDS from your local environment, you need to do some work. In this article, I will briefly show you how to connect to RDS from a Laravel application running in a Docker container in the local environment via a bation server(EC2).

This article is a compilation of notes on the Laravel Lifecycle, including the Kernel, Middleware, ServiceProvider, and Route, which I think will be of great help to those learning Laravel in terms of understanding the overall look of Laravel and mastering its lifecycle. Laravel framework or investigating the underlying functionality will be of great help.