problems on php 4.4.0

problems on php 4.4.0

by koen roggemans -
Number of replies: 5
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There seems to be a problem with the adodb-files on php 4.4.0: adodb.inc.php is giving an error
Anyone aware of this? Can I just search for a newer version of that file or is it modified?
Average of ratings: -
In reply to koen roggemans

Re: problems on php 4.4.0

by Richard Crawford -
This one comes up so often it ought to be in the FAQ (it may already be at this point, actually; I'm not sure).

In the meantime, we've put up a quick fix in our department's development blog:

http://devblog.extensiondlc.net/?p=3

In reply to Richard Crawford

Re: problems on php 4.4.0

by koen roggemans -
Picture of Core developers Picture of Documentation writers Picture of Moodle HQ Picture of Particularly helpful Moodlers Picture of Plugin developers Picture of Translators
Thanks a lot for pointing this out.
Why isn't it fixed in the Moodle core as the problem occurs so often? Or does it break the package for other php versions?
In reply to koen roggemans

Re: problems on php 4.4.0

by Eloy Lafuente (stronk7) -
Picture of Core developers Picture of Documentation writers Picture of Moodle HQ Picture of Particularly helpful Moodlers Picture of Peer reviewers Picture of Plugin developers Picture of Testers
Hi Koen,

the problem is really important but there are at least three causes (in my opinion) preventing to apply such changes to Moodle's core for now:
  • It involves to modify one 3rd part library. Although nothing (legally or technically) forbids to do such modification it means to break (only a bit but to break) with adodb official releases making things difficult to maintain in the future.

  • The solution itself, although working, is far from optimal because the proposed patch forces php to duplicate structures in memory and it could be really dangerous for a lot of people running under memory-controlled hosting plans or busy servers.

  • The problem doesn't seem to be global (to every 4.4.0 installation). Recent conversations maintained with John Lim (the creator of the great adodb library) seem to ensure that the problem in related with php servers running some sort of old accelerators (the Zend one, for example), whereas servers without it or using other accelerators (IonCube) seem to work fine. See: http://phplens.com/lens/lensforum/msgs.php?id=13451

Ciao smile


Edited: One interesting link I've found just some minutes ago:

http://gallery.menalto.com/node/36605#comment-135808

(seems to confirm problems with Zend Optimizer (accelerator) and PHP 4.4.0). One interesting tip is provided to avoid it. cool Please, if possible, test it under your servers...
In reply to Eloy Lafuente (stronk7)

Re: problems on php 4.4.0

by koen roggemans -
Picture of Core developers Picture of Documentation writers Picture of Moodle HQ Picture of Particularly helpful Moodlers Picture of Plugin developers Picture of Translators
Thanks a lot Eloy.
Unfortunately I'm on shared host, so no testing possibilities. I'll pass the information and try to follow what they are doing with it.