Posted by Jason Barnett on 06/24/05 23:06

Robert Cummings wrote:
....
> This is intentional behaviour, there are times when you want a copy of a
> reference and there are times when you want a reference to a reference.
> For instance consider the following:
>
> $foo1 = $foo2 = $foo3 = new a();
>
> $foo2 = new b();
>
> If these were references to references instead of copies of references
> then $foo1, $foo2, and $foo3 would all now refer to the newly created b
> object.
>
> Cheers,
> Rob.

OK I'm pretty clear on it, but now I wonder: is variable assignment (=)
the only place where the Zend Engine will copy a reference instead of
reference the reference?

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