CodeIgniter Libraries

Libraries  used to provide common functionality that you want accessed by different parts of your app. They help provide a single point of entry that makes it simple to maintain consistency in business rules. They’re ideally used for creating focused, single-responsibility classes, like Benchmarking, UserObject, Article, etc.

Libraries are not just a file that must contain stand-alone information that can be passed from project to project, though that is the traditional role in CodeIgniter applications. It’s just not the only use for libraries.

It is present in both the system and the application folder.
Again, this is a class. (Note: your own libraries are not automatically included in the CI super-object, so you need to call CI resources in a different way.)
Load it like this: $this->load->library(‘class_name’);
Use it like this: $this->class_name->mainpage();
Notes on syntax:
No need to extend a base class, or for a constructor function.
This is enough:

Conceptually: Intended to hold your own code to extend CI functionality, or to create site-specific functionality.

List of Codeiginter Libraries

(Source : https://www.codeigniter.com/userguide3/libraries/index.html)

Anuj Kumar

I'm Anuj kumar a web developer with 4+ year experience .I write blogs in my free time. I love to learn new technologies and share with others. I founded PHPGurukul in September 2015. The main aim of this website to is provide php , jquery , mysql , phpoops and other web development tutorials. I am trying best effort to make PHPGurukul useful for every single moment spend on this website. If you think this website is useful to visit please share with your friend and buddies.

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