Codeigniter Development

Codeigniter Development

Codeigniter Development 

CodeIgniter is a leading and widely popular framework for the development of open-source applications. It is basically a toolkit for professionals building PHP-based websites. Its main role is to speed up the process of development. In other words, rather than working on code from scratch, CodeIgniter renders a detailed library for regular tasks together with a simple logical structure and interface to access such a library.


CodeIgniter enables you to concentrate on the project by mitigating the lines of code that are imperative for a task at hand. The framework is lightly-based on MVC structure as its dependence on Controller and View is essential but non-compulsory on Model. Moreover, it allows the creation a dynamic and intuitive website in a small time period with no hassles whatsoever. The framework is most popular for its rapidity in comparison to other PHP-based frameworks.


CodeIgniter is PHP open-source system utilized for undeniable web applications delivering excellent speed to the advancement cycle. This people-group-controlled PHP system gives plentiful pairs of libraries for normal work errands, a straightforward interface and an intelligent structure to get to these libraries. At Pvsys Group you will discover start-to-finish CodeIgniter Development Services that cook you profoundly useful component-pressed web applications. Our group of expert CodeIgniter Developers are exceptionally knowledgeable about the linguistic structure and incorporating novel highlights to your web applications and online business uses of high-evaluated quality and productivity on the backend and front.


Features of CodeIgniter 

Due to its many features and benefits, the CodeIgniter framework is quite popular among PHP developers. A web application made with CodeIgniter functions well and quickly. It offers a sophisticated collection of elements that may be written from scratch to create a dynamic web application.

  • Free to use -    It is free to use because it is MIT licenced.   
  • Follows MVC Pattern-   Model-View-Controller is used, which essentially separates the logic and presentation components. The controller receives a request, models do database operations, and views display the results.  However, every page represents MVC in standard PHP scripting, which adds to the complexity.
  • Lightweight-  It is very light in weight. The CodeIgniter core system only needs a small number of libraries; additional libraries may be added on demand based on your requirements. Because of this, it is lightweight and quite quick.
  • Generate SEO-friendly URLs-  CodeIgniter creates clean, search engine-friendly URLs. Instead of the more typical query-based method, it uses a segment-based approach.
  • Built-in libraries- It includes complete packet libraries that enable all web-related functions, including database access, form validation, email sending, image manipulation, and emailing. 

what is a Codeigniter developer?  An open-source PHP rapid development web framework called CodeIgniter is used to create dynamic websites. CodeIgniter.   Model-view-controller (MVC) is a common development pattern that serves as the foundation for CodeIgniter. Models and views are not required for development with CodeIgniter, but controller classes are. [7] It is also possible to modify CodeIgniter to use Hierarchical Model View Controller (HMVC[8]), which enables developers to keep modular groupings of Controller, Models, and View organised in a sub-directory style.  When compared to other PHP frameworks, CodeIgniter is frequently praised for its quickness.   [10][11] During a speech at frOSCon in August 2008, Rasmus Lerdorf, the developer of PHP, expressed his disapproval of PHP frameworks in general and mentioned that he preferred CodeIgniter because it was "faster, lighter, and the least like a framework." [12]

CodeIgniter - MVC Framework:  Model-View-Controller (MVC) is the development pattern on which CodeIgniter is built. A software design strategy called MVC separates appearance from application functionality. Since the presentation is distinct from the PHP writing, it actually enables your web pages to have little code.

  • You may see your data structures in the Model. Typically, the functions in your model classes will be used to obtain, insert, and update data in your database.

  • Information is displayed to a user in the View. In CodeIgniter, a view can also be a page fragment like a header or footer. A view is typically a web page. It may also be another kind of "page," such as an RSS page.
  • In order to execute the HTTP request and create a web page, the Controller acts as a bridge between the Model, the View, and any additional resources.

CodeIgniter - Configuration:  The website has to be configured after we've finished setting it up. A collection of files that set the foundational configuration of your site cabe found in the application/config folder.

Configuring Base URL - The application/config/config.php file allows for configuration of the site's base URL. Your CodeIgniter root is located at that URL. This will often be your base URL, with a trailing slash, for example.

If this is not provided, CodeIgniter will attempt to guess the installation's protocol, domain, and path. However, especially in production situations, you should never rely on autoguessing and always configure this manually. The base URL can be set using the "base url" key in the $config array, as displayed below. 

$config['base_url'] = '';

Database ConfigurationThe database of the site can be configured in application/config/database.php file. Often we need to set up database for different environment like development and production. With the multidimensional array provided in the CodeIgniter, we can setup database for different environment. The configuration settings are stored in the array as shown below −

With the exception of hostname, username, password, database, and dbdriver, you can leave most options as they are.

Hotsname- .Specify location of your database here e.g. localhost or IP address

Username- Set username of your database here.

password- Set password of your database here

Database-  Set name of the database here.

You can set different database configurations by altering the key of the array $db, as illustrated below. By leaving the other database environment alone in this case, we have set the key to "test" to prepare the database for testing.

Autoload Configuration- By default, this file indicates which systems should be loaded. Only the bare minimum resources are loaded by default in order to keep the framework as lightweight as possible. Instead of continually loading a system at the local level, one should autoload it. The items that can be loaded automatically are as follows:

A library is a list of libraries that should automatically load. Give CodeIgniter a list of libraries in the form of an array, as seen below. In this illustration, we are automatically loading session, email, and database libraries.

$autoload['libraries'] = array('database', 'email', 'session');

Helper files- It is a list of automatically loading assistance files. Give CodeIgniter a list of libraries to automatically load in the array as seen below. We are automatically loading URL and file helpers in the example given.

$autoload['helper'] = array('url', 'file');

Custom config filesYou should only use these files if you have made custom config files. Leave it blank if not. Here is an illustration of how to automatically load multiple configuration files.

$autoload['config'] = array('config1', 'config2');

It is a list of language files that ought to load automatically. Take a look at the sample below. Give CodeIgniter a list of languages in the form of an array, as seen below. Remember to leave out the "_lang" portion of your file. For instance, array('Codeigniter) would be used to refer to "codeigniter lang.php";

Models-  It is a list of models in a file that ought to load automatically. Give CodeIgniter a list of models in an array, as shown below, so that it may load them automatically. Here is an example of how to automatically load several model files.

$autoload['model'] = array('first_model', 'second_model');



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