Laravel

For managing dependencies, Laravel uses composer. Make sure you have a Composer installed on your system before you install Laravel. In this chapter, you will see the installation process of Laravel.

The application structure in Laravel is basically the structure of folders, sub-folders and files included in a project. Once we create a project in Laravel, we get an overview of the application structure as shown in the image here.

n the previous chapter, we have seen that the basic configuration files of Laravel are included in the config directory. In this chapter, let us discuss the categories included in the configuration.

In Laravel, all requests are mapped with the help of routes. Basic routing routes the request to the associated controllers. This chapter discusses routing in Laravel.

Middleware acts as a bridge between a request and a response. It is a type of filtering mechanism. This chapter explains you the middleware mechanism in Laravel.

Namespaces can be defined as a class of elements in which each element has a unique name to that associated class. It may be shared with elements in other classes

In the MVC framework, the letter "C" stands for Controller. It acts as a directing traffic between Views and Models. In this chapter, you will learn about Controllers in Laravel.

The “path” method is used to retrieve the requested URI. The is method is used to retrieve the requested URI which matches the particular pattern specified in the argument of the method. To get the full URL, we can use the url method.

Cookies play an important role while dealing a users session on a web application. In this chapter, you will learn about working with cookies in Laravel based web applications.

A web application responds to a users request in many ways depending on many parameters. This chapter explains you in detail about responses in Laravel web applications.

In MVC framework, the letter “V” stands for Views. It separates the application logic and the presentation logic. Views are stored in resources/views directory. Generally, the view contains the HTML which will be served by the application.

Laravel 5.1 introduces the concept of using Blade, a templating engine to design a unique layout. The layout thus designed can be used by other views, and includes a consistent design and structure.

Named route is used to give specific name to a route. The name can be assigned using the “as” array key.

Laravel has made processing with database very easy. Laravel currently supports following 4 databases

This chapter deals with errors and logging in Laravel projects and how to work on them.

Laravel provides various in built tags to handle HTML forms easily and securely. All the major elements of HTML are generated using Laravel. To support this, we need to add HTML package to Laravel using composer.

Localization feature of Laravel supports different language to be used in application. You need to store all the strings of different language in a file and these files are stored at resources/views directory. You should create a separate directory for each supported language. All the language files should return an array of keyed strings as shown below.

Sessions are used to store information about the user across the requests. Laravel provides various drivers like file, cookie, apc, array, Memcached, Redis, and database to handle session data. By default, file driver is used because it is lightweight. Session can be configured in the file stored at config/session.php.

Validation is the most important aspect while designing an application. It validates the incoming data. By default, base controller class uses a ValidatesRequests trait which provides a convenient method to validate incoming HTTP requests with a variety of powerful validation rules.

Uploading Files in Laravel is very easy. All we need to do is to create a view file where a user can select a file to be uploaded and a controller where uploaded files will be processed.

Laravel uses free feature-rich library SwiftMailer to send emails. Using the library function, we can easily send emails without too many hassles. The e-mail templates are loaded in the same way as views, which means you can use the Blade syntax and inject data into your templates.

Ajax (Asynchronous JavaScript and XML) is a set of web development techniques utilizing many web technologies used on the client-side to create asynchronous Web applications. Import jquery library in your view file to use ajax functions of jquery which will be used to send and receive data using ajax from the server. On the server side you can use the response() function to send response to client and to send response in JSON format you can chain the response function with json() function.