Function gzinflate()

[Temlakos]

Markus (and anyone else):

Earlier I mentioned not being able to run the SMW maintenance scripts.

I discovered that they would only execute from within the MediaWiki
maintenance directory, which is where I found counter.php and
commandLine.inc. So I created symlinks from all SMW maintenance scripts
to the MediaWiki maintenance directory. That solved that immediate problem.

But then I ran into another problem: a call to a function named
gzinflate() that has no definition.

Where is /that/ function defined? Or how can I avoid having to make that
kind of function call?

The refreshData script tries to call that early in its processing routine.

Temlakos

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[S Page-2]

Temlakos wrote:
> Earlier I mentioned not being able to run the SMW maintenance scripts.

Glad you figured it out.

> But then I ran into another problem: a call to a function named
> gzinflate() that has no definition.

That's part of the PHP language, http://us2.php.net/gzinflate.

Aha, http://us2.php.net/manual/en/zlib.installation.php says "You will
need to configure PHP --with-zlib[=DIR]".  I bet the output you get from
`php -i` doesn't include "ZLib Support => enabled".

> Where is /that/ function defined? Or how can I avoid having to make that
> kind of function call?
>
> The refreshData script tries to call that early in its processing routine.

gzinflate() is not explicitly called by the refreshData script or
counter.php or commandLine.inc, but
http://www.mediawiki.org/wiki/PHP_configuration says MediaWiki does
require this optional PHP feature.  Your Web hosts need to configure a
PHP with the features that MediaWiki and SMW need.  Mostly SMW users
have run into PHP's missing Multibyte Support (mb_substr, etc.) but this
is the same problem.  If you get an error stack trace from PHP you might
be able to figure out where it's invoked and hack your local MediaWiki
not to use it.

BUT: I think MediaWiki uses zlib functions in its Revision objects, so I
would expect your wiki to fail on things like comparing old revisions
without ZLib support.  If your wiki is working, I think your web site is
somehow using a different PHP executable than when you run the
maintenance script.

--
=S Page

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