Re: [Fwd: Re: PEAR framework changes for PHP5]

On 30 Jan 2004 at 21:05, Hans Lellelid wrote: > Jon Parise wrote: > > >It's probably non-obvious, but the Log package already supports this. > >Here's the relevant code from the Log::factory() implementation: > > > > /* > > * Attempt to include our version of the named class, but don't > > treat * a failure as fatal. The caller may have already > > included their own * version of the named class. */ > > @include_once $classfile; > > > > /* If the class exists, return a new instance of it. */ > > if (class_exists($class)) { > > return new $class($name, $ident, $conf, $level); > > } > > > > > Heh -- that's cool; thanks for pointing that out to me. It would be > great if PEAR classes would at least conform to that, then, so that it > would be possible to create drivers/containers anywhere. Maybe they > do & I just haven't realized it. :) > > I think having a way to refer to classes would still be useful -- e.g. > so that driver classes could be specified in a conf file (of course in > that case it would have to a simple text representation, rather than > two element array). Just to mention: Image_Graph (version 0.2, only in CVS yet) does similar. Before even including the classfile it checks if the class is already known. Otherwise try to load a file and check again. Didn't know about this "magic way to do it" (and in detail: that Log already does it) before - but it's the most logical way to do it imho. Regards, Stefan