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Posted by Robert Cummings on 09/21/05 08:14
On Wed, 2005-09-21 at 01:08, Rasmus Lerdorf wrote:
> Robert Cummings wrote:
> > On Wed, 2005-09-21 at 00:58, Rasmus Lerdorf wrote:
> >
> >>And for PHP5 you can just drop all references related to objects and it
> >>will do the right thing.
> >
> >
> > Eeeek, that's not entirely true. Sometimes you want a real reference to
> > an object even in PHP5 :/
>
> $a = new foo();
>
> Will create a reference to the object.
>
> $b = $a;
>
> Now you have 2 references to the same object.
>
> For any sort of normal use, you never need to explicitly create
> references to objects in PHP 5.
I think you mean novice use. There are certainly times when assigning an
object to a variable I want all the values currently referring to that
object to see the update and not just the variable being assigned to. I
understand that objects in PHP5 are passed by reference under normal
assignment, but it's a copy of a reference and not a reference to a
reference.
Cheers,
Rob.
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