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Posted by Tony Marston on 02/25/06 11:55
I have come across the same problem in my own framework. The way I got
around it was to use class_exists() before the require() statement, so if
the class definition already existed I did not load it again.
--
Tony Marston
http://www.tonymarston.net
"Kimmo Laine" <spam@outolempi.net> wrote in message
news:HiALf.4069$wU5.1503@reader1.news.jippii.net...
> I'm flipping my wig here, people. I'm using classes and making each class
> a file. when I'm including dependet classess, I use require_once to avoid
> multiple declarations - yet they happen. I put debug_print_backtrace in
> the file to see how it is included, and here's the output:
> #0 require_once() called at [\eKirje.textGrid.class.php:4]
> #1 require_once(\eKirje.textGrid.class.php) called at
> [\lasku.eKirjeLasku.class.php:3]#0 require_once() called at
> [\eKirje.kanava.class.php:3]
> #1 require_once(\eKirje.kanava.class.php) called at
> [\eKirje.EPL8.class.php:3]
> #2 require_once(\eKirje.EPL8.class.php) called at
> [\eKirje.kirje.class.php:3]
> #3 require_once(\eKirje.kirje.class.php) called at
> [\lasku.eKirjeLasku.class.php:5]
> <br />
> <b>Fatal error</b>: Cannot redeclare class boxcontainer in
> <b>\eKirje.boxcontainer.class.php</b> on line <b>5</b><br />As you see, it
> does get required twice regardless of the use of require_once in each
> call. And eventually the class gets declared again. My fix for the problem
> was to use
>
> if( !in_array('boxcontainer', get_declared_classes()) ) {
> require_once('eKirje.boxContainer.class.php');
> }
>
> in the files and now it works, but I'm just totally baffeld of why this is
> happening? How come the require_once fails to function? Am I missing
> something here?
>
> I made the simplest test case where I had four files where in the first of
> them I declare a class, then require_once it to two other files and then
> finally require_once the two files to a fourth file. In this case I did
> not get redeclaration errors, for some reason it worked okay then, the
> class was declared only one and it worked okay.
>
> --
> "En ole paha ihminen, mutta omenat ovat elinkeinoni." -Perttu Sirviφ
> spam@outolempi.net | Gedoon-S @ IRCnet | rot13(xvzzb@bhgbyrzcv.arg)
>
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