Re: [PHP-DEV] Object method as handler functions in PHP4/Zend From: Jim Winstead (jimw <email protected>)
Date: 06/30/99

More general would be to allow an optional data parameter to the
various functions that call user-defined functions, so you could do
something like:

function do_array_walk($a, $data) {
  $data->munge($a);
}

or

function do_array_walk($a, $data) {
  $data++;
  do_stuff($a);
}

etc.

There's no good reason to tie that optional parameter to objects
that I can see.

Jim

Chuck Hagenbuch wrote:
>
> Quoting Zeev Suraski <zeev <email protected>>:
>
> > If you know you're expecting an object context, make your function accept
> > $obj and $method, and inside the function, call $method() if $obj is empty,
> > or $obj->$method() if it isn't.
>
> Would it be possible to add an optional argument specifying an object
> reference to all of the functions that take a function name as a parameter
> (array_walk, usort, etc).
>
> This would allow you to write:
>
> mysort($a, $b, $obj) {}
>
> and call:
>
> $foo = usort($bar, 'mysort', $foo_object);
>
> This at least lets you avoid setting global variables for mysort() to access
> before calling usort.
>
> -chuck
>
> --
> Charles Hagenbuch, <chagenbu <email protected>>
> --
> must... find... acorns... *thud*
>
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