Posted by NC on 09/27/07 07:35

On Sep 26, 7:13 pm, Summercool <Summercooln...@gmail.com> wrote:
>
> Is it true that the caller has no way to know whether the function it
> is calling uses
>
> function foo($a)
>
> or
>
> function foo(&$a)
>
> so the caller never knows whether it is "pass by value" or "pass by
> reference" and so won't know whether the argument can be modified or
> not?

That's what documentation is for...

Cheers,
NC

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