how to create a php class which can be casted to boolean (be truthy or falsy)

Question

I am creating a collection class and would like it to be drop-in-replacement for arrays, which I use currently.

How to create a class which could be casted

Answer 1

You can take a look at the PHP operator extension which you can use to overload many operators including == and ===. With this extension, you should be theoretically able to write a class comparable to boolean values like this:

if($object == true)