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Date: Mon, 12 Dec 2011 15:12:39 +0100
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To: Bogdan Bezuz <bogdan.bezuz@emag.ro>
Cc: PHP Developers Mailing List <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Unexpected behavior for ::
From: colder@php.net (Etienne Kneuss)

Hi,

On Mon, Dec 12, 2011 at 14:35, Bogdan Bezuz <bogdan.bezuz@emag.ro> wrote:
> Hello,
> I'm not sure if this is the desired behavior and i don't want to submit a
> bogus bug report.
>
> class A
> {
> =C2=A0 =C2=A0public function f1()
> =C2=A0 =C2=A0{
> =C2=A0 =C2=A0 =C2=A0 =C2=A0var_dump($this->_b);
> =C2=A0 =C2=A0}
> }
>
> class B
> {
> =C2=A0 =C2=A0public $_b =3D 'stuff';
>
> =C2=A0 =C2=A0public function f2()
> =C2=A0 =C2=A0{
> =C2=A0 =C2=A0 =C2=A0 =C2=A0A::f1();
> =C2=A0 =C2=A0}
> }
>
> $b =3D new B();
> $b->f2();
>
> At first i would expect an error since A was not instantiated, at most i
> would expect to return NULL but not 'stuff'.
> Is this a bug ?

Not really, it's a BC compatibility that we had to drag since PHP4. If
you enable E_STRICT, it should output a warning saying something like
"importing $this from invalid context". It is/was scheduled for
cleanup in the next major version.

Best,

>
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> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php
>



--=20
Etienne Kneuss
http://www.colder.ch