Re: do pear packages create their own seperate DB connections?

> On Tue, 2003-04-22 at 21:09, Wolfram Kriesing wrote: >> Jeroen Houben wrote: >> >>But to try to answer your question, I think what you want to do >> >>might be: >> >> >> >>if (do i need a DB-connection?) { >> >> $db = DB::connect(); >> >> do DB stuff >> >>} else { >> >> get data/results or do action without >> >> the need of using db-data >> >>} >> >> >> >>i hope i could explain what i mean :-) >> >> >> > >> > >> > Yes it is, but I'm afraid *I* couldn't explain what *I* mean :-) >> > I'll take your example from above and change it to what I mean. >> > Maybe what I'd like to see is not possible but at least we'll be >> > talking about the same thing. >> > if (do i need a DB-connection?) { >> > if (there is an instance of (M)DB 'out there' for the given DSN) >> > { >> > // use it >> > } else { >> > $db = DB::connect(DSN); >> > do DB stuff >> > } >> > } else { >> > get data/results or do action without >> > the need of using db-data >> > } >> > >> > Hope that makes it clearer. I think Lukas mentioned this in one of >> > his >> >> yes, Lukas mentioned it. It's the singleton ... and he wrote that he >> is thinking about putting it into MDB >> what i do in my appls is the following to implement the singleton >> >> class x >> { >> function &getInstance() >> { >> $varName = '__'.__CLASS__; >> if (!isset($GLOBALS[$varName]) || >> get_class($GLOBALS[$varName])!=__CLASS__) { >> $GLOBALS[$varName] =& new x(); >> } >> return $GLOBALS[$varName]; >> } >> } >> >> this way it gets saved in the global namespace, i know. its not really >> cool. but may be someone knows a better and nicer way >> or is it even simpler with php4? > Is there a problem with statics? That's a serious question... I thought > from reading the docs they're in v4, but I'm not certain. > > Jon >> Ik haven't used the singelton pattern, but I've read about it: http://www.horde.org/papers/kongress2002-design_patterns/11_singleton_impl.xml.html HTH - Jeroen