Re: swig and php

On 2008-05-05, Paul Lowman <paul_lowman@...> wrote:
> That helped - it now compiles but unless I remove the %newobject line in
> example.i no code appears in example.php for the factory method. Even
> then - either way - I get -
>
> Fatal error: Call to a member function area() on a non-object in
> /usr/src/swig-1.3.35/Examples/php4/shadow/runme.php4 on line 13
>
> This is the problem I cannot resolve - how do I get php to see the
> returned resource as an instance of a class?

It needs to be wrapped in the appropriate PHP class (using
"new MyPHPClass($handle)" IIRC), which should happen automatically
in the PHP wrapper for CircleFactory().

> This apparently worked OK in php4 so what are the relevent changes?

I guess you mean changes between PHP4 and PHP5 support?

The two work in completely different ways.  PHP4 constructs PHP objects
using the C API.  The functions used aren't present in PHP5 (hence the
zend_property_reference() errors you saw), and the PHP APIs aren't
well documented so we couldn't see how to fix this.  So instead we
took the approach used in SWIG/Python and wrap the C++ class as a
set of flat functions which take a resource as the first argument, then
create a PHP class wrapper which has the resource as a member variable
and methods which call the flat functions.

If you're able to see what needs fixing (in Source/Modules/php4.cxx
I imagine) a patch would be great.  Otherwise, file a bug and I'll take
a look when I get a chance.

Cheers,
    Olly


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