Nuno Lopes,
Thanks a lot! I was able to resolve the issue!
Odd enough, POSIX named classes (eg [:alnum:] are not supported either
when PCRE is not compiled with UTF-8 and Unicode support. Which is
weird, because the manual states elsewise.
For those of you interested to see the fix, please refer to:
http://framework.zend.com/fisheye/browse/Zend_Framework/trunk/library/Zend/Filter/Alnum.php?r=5468
Nuno, thanks again!
Best,
--
Andries Seutens
http://andries.systray.be
Nuno Lopes schreef:
The first thing I would do is to convince those guys (RedHat) to
compile PCRE with UTF-8 and Unicode stuff support (that's 2 different
build options). They have probably forgot to include them.
Ok, so to detect if you have UTF-8 support.. uhm we could add a
function to do that (PCRE exports that information), but I think you
want something quicker than asking everybody to upgrade php :P You can
always try to match a simple thing and see if it returns an error or not.
e.g. if (!preg_match('/\pL/u', 'a')) die('bastard');
Nuno
----- Original Message ----- From: "Andries Seutens"
<[EMAIL PROTECTED]>
To: <php-i18n@lists.php.net>
Sent: Wednesday, June 27, 2007 6:36 PM
Subject: [PHP-I18N] Check if PCRE has UTF-8 support compiled in
Dear all,
In the Zend Framework we have written a filter to filter anything but
alpha an numeric characters from a string. The regular expression for
this filter looks like so:
$result = preg_replace('/[^\p{L}\p{N}\s]/u', '', '!!testing123!!');
Apperently, on some systems like RHEL however, this regular
expression seems to fail. The reason that it is failing for you
appears to be that your PCRE does not have UTF-8 support compiled
in? This is likely the result of the particular distribution not
having used the --enable-utf8 option.
What this means to us is that the class should become aware of
whether such support is available, and act accordingly.
My question to you guys is, how would such a check for support best
be done? Perhaps detect the error condition, which would only occur
in the event that the system does not have utf-8 support? But how
(preferably without going down the dirty path .... )?
Best regards,
Andries Seutens
http://andries.systray.be
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