|
|
Posted by Rik Wasmus on 01/06/08 19:28
On Sun, 06 Jan 2008 20:23:15 +0100, Michael Fesser <netizen@gmx.de> wrot=
e:
> .oO(A Bit Narked)
>
>> On Sun, 06 Jan 2008 19:43:28 +0100,
>> "Rik Wasmus" <luiheidsgoeroe@hotmail.com> wrote:
>>
>>> Ah, taking a closer look at your post, I'd say this: you cannot echo=
=
>>> true
>>> or false, they have no string value. PHP has loose typing, and false=
=
>>> cast
>>> to string would be '', cast to integer would be 0, the fact is that =
the
>>> underlying value of false is not 0 (yes, it would be in C probably, =
but
>>> not from the PHP side of things).
>>
>> And yet you can echo true. The output is '1'. You can also
>> concat it into a string, where it also becomes a 1. The two
>> constants are treated completely differently in that respect.
>
> Nope. Both are just converted to a string:
>
> TRUE =3D> non-empty string ('1', but it could be anything)
> FALSE =3D> empty string
AH, for some reason, can't see the previous post Michael comments on, bu=
t =
indeed, echo will convert any variable to string it recieves. That's for=
=
instance how it's possible to define a __toString() method on an object.=
-- =
Rik Wasmus
Navigation:
[Reply to this message]
|