Kohana is an open-source PHP web application framework that follows the Model-View-Controller architectural pattern. It aims to be secure, lightweight, and easy to use. Some of the most notable features of Kohana include simple and elegant URL routing, HMVC (Hierarchical Model View Controller) support, and a powerful ORM (Object-Relational Mapping) system.
Example 1 - Routing:
Kohana supports a simple and elegant URL routing system that allows developers to easily define custom routes for their applications. Here's an example:
In this example, we define a custom route called "profile" that matches any URL that starts with "user/" followed by a username. The regular expression ensures that the username can only contain alphanumeric characters, underscores, and hyphens. We then specify that the route should default to the "user/profile" controller and action.
Package library: Kohana's routing system is part of its core functionality.
Example 2 - ORM:
Kohana's ORM system provides developers with a powerful and flexible way to interact with databases. Here's an example:
// Define a model class Model_User extends ORM { protected $_table_name = 'users'; }
// Create a new user $user = ORM::factory('User'); $user->username = 'jdoe'; $user->email = 'jdoe@example.com'; $user->password = 'password'; $user->create();
In this example, we define a model called "Model_User" that inherits from Kohana's ORM class. We then create a new user object, set some properties, and call the "create" method to insert a new row into the "users" table.
Package library: Kohana's ORM system is also a core part of the framework.
In summary, Kohana is a lightweight and powerful PHP framework that provides developers with a simple yet elegant way to build web applications. Its URL routing and ORM systems are part of its core functionality and provide developers with efficient ways to handle requests and interact with databases.
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