On Sun, 6 Mar 2005, Zeev Suraski wrote:
> At 06:47 06/03/2005, Yermo Lamers wrote:
>
> >What is the proper way to return a NULL condition from a method that
> >returns a reference?
> >
> >function &testfunc()
> >{
> >return NULL;
> >}
> >
> >generates:
> >
> >"Strict Standards: Only variable references should be returned by
> >reference in ..."
> >
> >Is the correct approach to do something like:
> >
> >function &testfunc()
> >{
> >$nullVar = NULL;
> >return $nullVar;
> >}
>
> That'd work, yep.
Wrong ;-) It causes problems with reference counting - and will segfault
PHP after some time.
Derick
--
Derick Rethans
http://derickrethans.nl | http://ez.no | http://xdebug.org
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