(When) should I use type hinting in PHP?

Question

I can\'t understand the motivation of PHP authors to add the type hinting. I happily lived before it appeared. Then, as it was added to PHP 5, I started specifying types eve

Answer 1

You should use type hinting whenever the code in your function definitely relies on the type of the passed parameter. The code would generate an error anyway, but the type hint will give you a better error message.