#23 Libraries in CodeIgniter 4

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What is a Library ?
- A library is a Class which contains collection of methods and properties.
- A Library class will always Provides reusable logic for our application development
- Ci4 is Providing some of the predefined libraries like: session, email, validation, security and more....
- We can also create our own libraries, based on our business requirement

Where to Load the libraries:
- whatever the library we have( predefined or custom), we have to load them into our controller classes.
- if we want use to library methods, we have to create instance of the library.
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is there any media library for image upload in code igintor4?

Naveenautkoor