Re: Persistent global data ?

Hi all ! It seems I did not state exactly enough what I need ... if I use the $_SESSION functions or write the stuff myself makes no difference, actually then I can just leave it in the database and read it every time ... but that is just slow ... I want to create it persistant in the system memory so every script can access the contents without having to recreate the whole tree each time ... mathias rockel ----- Original Message ----- From: "Rick Emery" <remery@emeryloftus.com> To: "Mathias Rockel" <mr.php@pfaffendorf-consulting.com>; <php-general@lists.php.net> Sent: Tuesday, January 14, 2003 3:30 PM Subject: Re: [PHP] Persistent global data ? > Write persistent data to a file on server side > > ----- Original Message ----- > From: "Mathias Rockel" <mr.php@pfaffendorf-consulting.com> > To: <php-general@lists.php.net> > Sent: Tuesday, January 14, 2003 8:12 AM > Subject: Re: [PHP] Persistent global data ? > > > Hi! > > I'm not sure if that would be a good idea in respect to performance, also > AFAIR cookies cannot save objects (can they?), and there are size > limitations on cookies, so I probably cannot use them because they could not > contain all the data ... and also, if I have the complete file structure > saved on the client side its very easy to modify the data, possibly getting > access to stuff that is not meant to be seen ... no cookies =). > > thanks anyway ! > > mathias rockel > > ----- Original Message ----- > From: "Rick Emery" <remery@emeryloftus.com> > To: "Mathias Rockel" <mr.php@pfaffendorf-consulting.com>; > <php-general@lists.php.net> > Sent: Tuesday, January 14, 2003 3:06 PM > Subject: Re: [PHP] Persistent global data ? > > > > cookies? > > > > ----- Original Message ----- > > From: "Mathias Rockel" <mr.php@pfaffendorf-consulting.com> > > To: <php-general@lists.php.net> > > Sent: Tuesday, January 14, 2003 7:33 AM > > Subject: [PHP] Persistent global data ? > > > > > > Hi all ! > > > > I am currently writing some kind of Document/File-Library in a LAMP > > environment. > > > > As the library should be able to handle various file types, and most file > > types have to be handled differently internally, I would like to use > > Objects/Classes to make the code for the Library iself independent from > the > > stuff that is individual to the different file types. > > > > Now I noticed early that when I use Objects in PHP and have to create many > > for them each time a script runs it slows the system down considerably. It > > seems you can now save objects in sessions which AFAIR was not possible > last > > time I tried. But then I would have to read the whole file index (which is > > actually a tree) into a session variable for each user, and I don't know > if > > thats a good idea performancewise. It would be a rather large > > multi-dimensional array. > > > > So I would like to know if there is any possibility in PHP to create my > own > > persistent superglobal, a variable which can be read by any script > running. > > I think something similiar is available as the "Application" Object in ASP > > under IIS. I know I have to take care of locking and stuff (although the > > end-user scripts would only need read access to it), but if I could write > > some functions which just would check if the tree is already in memory or > > not (after a server shutdown or whatever), and if not just read it in from > > the database to make it available in every other script. > > > > The only thing I've found so far which I think may be a possibility is the > > shared memory stuff that PHP supports, but I don't know anything about > that > > on the system level, and its not explained in much detail in the PHP > manual. > > Is that something I should follow, or can't I use it ? Can I somehow use > the > > underlying Apache ? Are there better options ? > > > > any help/suggestions/hints are greatly appreciated ! > > > > mathias rockel > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >