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How To Build A Web App Using Laravel From Scratch

Feb 26th 2020 at 9:41 AM

 

Laravel development services

 

Laravel is an easy-to-go with the framework for the PHP web application development. It is an easy, classic and clean, yet powerful application highly preferred by the Laravel Development Company across the globe. Ever since its launch in 2011, it has seen massive growth in the realm of web application development. Interestingly, it is the most favorite PHP framework on Github.

 

Its primary objective is to focus on end-users. It means Laravel aims at making its developing process simple with the expressive syntax enablement. This PHP-based framework adds fun elements to the design process rather than making the entire development process painful for you.

 

As you get to know about Laravel for PHP web development, we will take you through a tour to let you design a simple, yet powerful and robust web application.

 

What is Laravel?


Laravel is a well-documented free and open-source PHP 5.3 framework for the development of PHP-based web applications. It follows the MVC architecture pattern for web application development. According to its author, Taylor Otwell, Laravel is a simple web application development tool to enhance the programming process and performance. Most find Laravel Development services it pleasurable for its three key attributes. They are as follows as below:

 

Easy: From designing app in the prototyping phase to launching it over the web-server, the designing functionalities are easy and fun. Its design process is easy-to-understand and simple to deploy. If you possess knowledge working with CodeIgniter, you can get along with Laravel working culture so easily.

 

Refined: It does not ask for many codes to build an app. With a little configuration, you can build elegant apps following the industry-standard formulas.

 

Well-documented: Laravel developers can always get to work with the latest version of the framework since it is updated at an early stage before the release of the latest version. Hence, you can always use the updated documentation for your web application development.

 

Laravel is one of the best PHP frameworks because it features an extensive pack of functional extensions for web application development. So, it gives you a flexible opportunity to develop a web app from scratch.

Developing A Web App Using Laravel From Scratch

You are now aware of Laravel and its basic features. Let us see how we can build a powerful and dynamic PHP-based web application.

  1. Download Laravel and essential files

Don’t hurry to start coding your project. At the beginning of the project, we need a dozen of tools. Download essential tools such as,

  • PHP 5.3 or higher version,

  • Mcrypt PHP extension– the key to encryption and generation of hashes

  • FileInfo library- add this extension to windows computers to use extensions in the php file

Besides, have the following framework and libraries in place before you design.

  • Laravel

  • JQuery

  • Twitter Bootstrap

The Laravel root folder accommodates the public folder, inside which these folders must be kept in safe. Along with the other folders in it, you store these files in their respective folders.

  1. Creating encryption key, URLs and virtual host

As you use the Laravel Development services, these components are of higher importance for a Laravel PHP framework-based app.

 

Laravel requires a certain encryption key. This is necessary to encrypt data for Laravel apps as similar to the cookies. Run the application application/config/application.php, Find key setting. The default value should be left blank.

 

1/*

2|--------------------------------------------------------------------------

3| Application Key

4|--------------------------------------------------------------------------

5|

6| This key is used by the encryption and cookie classes to generate secure

7| encrypted strings and hashes. It is extremely important that this key

8| remain secret and should not be shared with anyone. Make it about 32

9| characters of random gibberish.

10|

11*/

12

13'key' => '',

 

Now, go to the Laravel’s root directory via Terminal/Command Prompt. Use the Artisan to create a Key, it should look like the following,

 

php artisan key:generate

 

Once you do this correctly, it generates you 32 character-based encryption key for the framework. The whole program must appear as the following,

It is time to work on the configurations to launch URLs without making requests to index.php. The same file for the encryption key generation is used for it. Go to application/config/application.php and look for the following programming,

 

01/*

02|--------------------------------------------------------------------------

03| Application Index

04|--------------------------------------------------------------------------

05|

06| If you are including the "index.php" in your URLs, you can ignore this.

07| However, if you are using mod_rewrite to get cleaner URLs, just set

08| this option to an empty string and we'll take care of the rest.

09|

10*/

 

11

12'index' => 'index.php',

 

Set the index to an empty string. In order to enable URLs for Laravel, you must put mod_rewriter into effect on your server in case you use Apache.

 

The next step is to set up a virtual host. You require accessing the root file of Laravel. Unless you have an administrative right, you cannot use the files in Laravel. If access not provided, you can use sudo. The configuration depends on the webserver you use. Here, we use Apache to create a virtual host.

1 *:80>

2   ServerName instapics.com

3   DocumentRoot "D:/Development/htdocs/instapics/public"

4     "D:/Development/htdocs/instapics/public">

5

6

Our host file must have access to the domain “instapics.com”. Edit the file C:WindowsSystem32driversetchosts for windows and for Linux/OSX, edit /etc/hosts to turn them to the following file:

127.0.0.1 instapics.com.

Once you do it, the domain instapics.com can recognize our local computer.

  1. Routing Setup

Routes enable mapping of all requests in Laravel to methods and controllers. This ensures activation of the URLs in the application. For example, http://instantpiks.com/ home indicates a home file, so we can render a route within the routes.php file.

 

Route::any('home', function()

{

return View::make('home.index');

})

Now, http://instantpiks.com/home, this can be routed to a Controller and appears like home.php controller file. And we can do it the following way,

 

Route::controller('home');

Remember, Laravel does not have any default route controller features. Hence, setting up routing helps us create functional pages such as a Contact Us page and more. For say, Contact us page can be made using the following configuration,

 

Route::any('contactUS', function()

{

return View::make('home.contactUS’);

})

 

The route is http://instantpiks.com/contactUS and it appears as application/views/home/contactUS.php.file.

  1. Development of the first controller for Laravel

Every Laravel Development firm uses applications/controllers path to create a file here. The file name should suggest controller specifications. Let’s create the controller login in the following manner,

class Login_Controller extends Base_Controller

{

public function action_index()

{

//do our login mechanisms here

echo 'test'; //echo test so we can test this controller out

}

}

 

Now, when you put http://instantpiks.com/login in the browser, the testing massage would come. The controller is already routed in the path routes.php.file, hence, it does not need additional work.

  1. Base Controller

Base_controller in Laravel defines functions the same as other controllers. The following configuration shows the method of logging for all controller requests.

class Base_Controller extends Controller {

 

/**

* Catch-all method for requests that can't be matched.

*

* @param  string    $method

* @param  array     $parameters

* @return Response

*/

public function __call($method, $parameters)

{

return Response::error('404');

}

 

public function logRequest()

{

$route = Request::route();

Log::log('request', "Controller: {$route->controller} / Action: {$route->controller_action} called at ". date('Y-m-d H:i:s'));

}

}

Knocking $this-->logrequst(); from any controller will enable us to log any request.


  1. Home controller

We get to add a method actionabout to update a home controller. It can be done through a path http://instantpiks.com/about . Now open application/controllers/home.php, to update the home controller. Use the following configuration,

class Home_Controller extends Base_Controller {

 

public function action_index()

{

return View::make('home.index');

}

 

public function action_about()

{

return View::make('home.about');

}

}

 

Conclusion:

This is a beginner’s guide that can help you create some of the basic functionalities of a web app from scratch. For more advanced Laravel development services, a renowned Laravel Development Company can come out with an improved solution for your business needs. Bytes Technolab is one such seasoned Laravel development services provider built to suit your custom needs. Get in touch for help today.

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