LARAVEL TUTORIAL

Laravel is a powerful MVC PHP framework designed for developers who need a simple as well as a decent tool kit to create full-featured web applications. Laravel was introduced by Taylor Otwell in 2011. Since then, it has shown exponential growth. In 2015, it was the most rated PHP framework.  

ESSENTIALS OF LARAVEL FRAMEWORK

REUSE

Laravel has a built-in model view controller design pattern. It reutilizes the existing components of the different frameworks that help in creating a web application. The web application created using Laravel is more structured and rational.

BASIC PHP

Laravel offers exceptional functionalities. It adopts the basic dynamics of PHP frameworks like CodeIgniter, Yii, and other programming languages like Ruby on Rails.

CORE AND ADVANCED PHP

Laravel will make things easier if you are a previous user of core PHP or advanced PHP. Knowing these elements beforehand is quite time-saving. And a website created using Laravel is safe and secure from web attacks.

MERITS OF LARAVEL

• The web application becomes more scalable when you use the Laravel framework.
• Reusing the components of other frameworks saves a lot of time.
• The inclusion of namespaces and interfaces helps a lot in organising and managing resources.

PRINCIPAL LARAVEL TOOLS

COMPOSER

It is a tool that accommodates all the dependencies and libraries. With the help of the composer, a project is easily created in relation to the said framework as used in the Laravel installation. It is also used in installing third-party libraries. 

ARTISAN

It is a command-line interface used in Laravel. It holds a set of commands that help us to create a web application. These commands are derived from the Symphony framework developing add-on features in a Laravel version.

SIGNIFICANCE OF LARAVEL

MODULARITY

There are about 20 built-in libraries and modules in Laravel that helps us in upgrading the application. Every module is equipped with a Composer dependency manager which enables each minute update. 

TESTABILITY

Laravel comprises of many features that help us in testing. Maintaining the code as per the requirement has become more convenient.

ROUTING

It enables one to scale applications in a better way. And the performance will be improved.

CONFIGURATION MANAGEMENT

Incessant change in configuration might happen because a web application design passes through different environments.

INSTALLATION

STEP 1

Visit the URL mentioned below and download the composer to install it on your system.

https://getcomposer.org/download/

STEP 2

After downloading the composer, open the command prompt browse to the webserver root directory or localhost folder.

STEP 3

Now type the following command to create a new Laravel project using a Composer.

The composer creates a project -prefer-distlaravel/laravel mylaravel

You can replace mylaravel with any project name that you wish.

STEP 4

Now you have to check whether it is properly functioning or not. For that, you need to test the installation.

LARAVEL APPLICATION STRUCTURE

The application structure in Laravel comprises of folders, sub-folders, and files involved in a project. You can presume the overview of the application structure after constructing a project in Laravel.

LARAVEL APP DIRECTORY

APP

It includes events, exceptions, and middleware declaration. It is the application folder that encompasses all the source code of the project. It includes sub-folders as mentioned below.

CONSOLE

It incorporates the artisan commands significant for the Laravel directory structure. It includes a directory called Commands where all the commands are represented with the proper signature. 

EVENTS

It comprises all the functions required for the desired project and it is used to trigger actions, raise error, or implement validations and implement exceptional versatility. Laravel creates a Database and brings all events under one category.

EXCEPTIONS

This folder includes all the methods required to manage exceptions. It also comprises a PHP file that manipulates all the exceptions.

HTTP

This folder consists of sub-folders for middleware, controllers, and application calls. This folder involves model, controller, and views determined for particular directories.

The middleware sub-folder includes the middleware phenomenon which consists of filter mechanism and interaction linking acknowledgment and requests.

JOBS

This directory manages the exercises queued up for the Laravel application. The base class is assigned among all the works and gives a central location to install them under a single roof.

LISTENERS

They are event-dependent. They include techniques that are used to control events and exceptions. 

POLICIES

Policies are PHP classes that involve sanction reasoning. 

PROVIDERS

This folder covers all the co-operation providers needed to register events for kernel servers and to configure a Laravel application.

MAIL

This directory includes all the classes needed to send emails. And it is not created by default.

LARAVEL ROOT DIRECTORY

BOOTSTRAP

This folder comprises all the application bootstrap scripts. It includes a sub-folder specifically cache which provides for all the files for caching a web application.

CONFIG

It comprises different configurations and associated parameters that are needed for the constant and smooth functioning of the Laravel application. 

DATABASE

Laravel creates a database and this directory involves many parameters for database functionalities. It consists of sub-directories.

• SEEDS:- It includes the classes used for the unit measurement database.
•  MIGRATIONS:- It accommodates the queries for migrating the database used in the web application.
• FACTORIES:- It is used to produce vast data records.

PUBLIC

It is the root folder that helps in initializing the Laravel application.

RESOURCES

It contains the files that enhance your web application. Its sub-folders are assets, lang, views.

STORAGE

It stores all the logs and important files that are frequently needed when a Laravel project is on. The major sub-folders are app, frameworks, and logs.

TESTS

It includes all the unit test cases.

VENDOR

The vendor folder is needed to install Laravel set up or include third-party libraries. 

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