Re: [PHP] How to get the 'return type' of a function?

2010/2/23 Dasn <[email protected]>:
> Hello guys, I try to use 'ReflectionFunction' to retrieve the info of a
> function.
> For example:
> <?php
>
> $rf = new ReflectionFunction('strstr');
> echo $rf;
> ?>
> =============== output ==================
>
> Function [ <internal:standard> function strstr ] {
>
>  - Parameters [3] {
>    Parameter #0 [ <required> $haystack ]
>    Parameter #1 [ <required> $needle ]
>    Parameter #2 [ <optional> $part ]
>  }
> }
>
> The problem is there's no 'return type' (i.e. 'string' in this example)
> info about the function.
>
> Could you tell me how to retrieve the 'return type'?
> Thanks.
>
>
> --
> Dasn

That's not possible. Consider this function:

function foo()
{
	switch (rand(0, 1)) {
		case 0: return 42;
		case 1: return 'bar';
	}
}

What should the return type be?

-- 
Daniel Egeberg