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Re: Need to return reference in this case?

Posted by howa on 06/03/07 03:14

On 6 3 , 6 42 , gosha bine <stereof...@gmail.com> wrote:
> howa wrote:
> $foo = new Foo
>
> does the following in php4:
>
> 1) a chunk of memory is allocated and object's constructor is called to
> initialize this memory
> 2) another chunk of memory is allocated and everything from the first
> chunk is copied to it
> 3) variable 'foo' is being set to address of this second chunk
> 4) the first chunk is being disposed.
>
> Apart from being ineffective, this technique will apparently fail if an
> object saves reference to itself ($this) in constructor or when you need
> exactly one instance.
>
>

Hello,

Yes, but refer to my original question, both (1) & (2) have this
problem of inefficieny.

So you said (2) is perfferred?

Why? Since PHP said return by reference is mostly useless.



> I agree that OO "features" of php5 are mostly useless and php4 has
> everything one needs to write OO programs. However, I still won't
> recommend it, exactly for the reason described above.
>

This is not a big problem in fact, people can upgrade to PHP5, but
still using PHP4 syntax. We don't like PHP5 since it is not well
planned, and subject to change.

 

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