Re: is_string()

Pierre wrote:
> On Wed, 15 Mar 2006 12:26:53 -0800
> [email protected] (Andrei Zmievski) wrote:
> 
> 
>>I guess I can live with this. It's just a little strange that we have 
>>only 2 string types, but 3 casts..
> 
> 
> I find that confusing too. Given the commit log, it is even more
> confusing:
> 
> - Updated is_string():
>    If Unicode semantics is turned on, return "true" for Unicode strings
>    only. If Unicode semantics is turned off, return "true" for native
>    strings only.
> 
> It makes is_string basically useless, I can imagine two solutions:
> 
> - keep it and always returns true (unicode and binary strings are 
>   strings anyway)
> 
> - deprecate it in php 6.0, it will still returns true. At least
>   people will know that they should use the new functions
> 
> There is maybe a third solution, but certainly too drastic, remove
> is_string :)
> 
> --Pierre

I think, to keep bc, it would be best to do as you say in point #1:
is_string() returns true on unicode, native AND binary strings
is_unicode() returns true only on unicode strings
is_binary() returns true only on binary strings

which would mean that string = unicode|binary.

- tul

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