CodeIgniter Controllers
In CodeIgniter, a Controller is a class that handles user requests and controls the flow of the application.
When a user visits a URL, the controller:
• receives the request
• processes the data
• loads views/models
• sends the response to the browser
What is a Controller?
A controller acts like a middleman between:
• Model → database/data
• View → user interface
• User Request → browser request
Flow
Browser Request
↓
Controller
↓
Model / View
↓
Browser Output
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