Explain what is MVC application life cycle?

Any web application has two main execution steps, first understanding the request and depending on the type of the request sending out an appropriate response. MVC application life cycle is not different it has two main phases, first creating the request object and second sending our response to the browser.

Creating the request object includes four basic steps: 

Step 1: Fill route
Step 2: Fetch route
Step 3: Request context created
Step 4: Controller instance created