Jochem Maas wrote:
Richard Lynch wrote:
On Wed, June 1, 2005 3:53 am, Marcus Bointon said:
On 1 Jun 2005, at 11:38, Jochem Maas wrote:
all true, now imagine that you install a couple of 3rdparty php5
'packages'
and they all define __autoload() - ain't gonna work! which is why
there has been
discussion on internals regarding the possibility of use a handler-
function stack
for autoloading (in the same way that you can register a stack of
input/output
filter-function)... something to keep an eye on in case things
change :-)
I've run into this one. One way that would work for me (and initially
it's how I assumed it worked) is for __autoload to be a standard
class method like __construct, so that a class would attempt to run
its own autoloader before breaking out to the global function namespace.
Maybe I'm being dumb, but how can an object's __autoload function get
called when the object class definition hasn't been loaded, and that's
why
you're calling __autoload in the first place...
That seems like classic chicken/egg situation to me...
that was my first reaction, but then I thought what if the __autoload()
function was called when 'any' class needed to be included while running
code inside said class... that _might_ actually be useful
at any rate the __autoload() issue is still very much undecided :-)
I opened up a feature request for this very topic a while back. The
__autoload function should just register user-defined functions and
store those func names in a stack so that (in turn) each function can
require the appropriate file. If the first registered function fails to
load the class then __autoload tries the next registered fucntion and so
on until all of the registered functions have been tried. At this point
if __autoload fails then we E_ERROR out explaining that __autoload could
not load the class definition.
As far as I can tell this is the cleanest solution that has been
provided, but there is some disagreement over some of the details on
this approach.
<just_kidding>Life would be so much easier if everyone just did things
like the PEAR coders do</just_kidding>
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