What is the use of return mainly?

Question

I get shuffled with it use

Answer 1

Refer this example :
https://code.sololearn.com/cg1yWZfK82zm/?ref=app

Answer 2

https://www.sololearn.com/learn/PHP/1836/

Answer 3

To leave the current block of execution

i.e. to leave while running the loop

Answer 4

I had read that already

Answer 5

I want something different