Re: Fatal error: Call to undefined function preg_match()

M. Sokolewicz wrote: > Barry wrote: >> Evert wrote: >> >>> Hi all! >>> >>> Recently I am getting the following error on some of my PHP-enabled >>> websites. I think it started when I went from PHP4 -> PHP5. >>> >>> Here is an example (from http://wos.poboxes.info/) : >>> >>> >>> Fatal error: Call to undefined function preg_match() in >>> /var/www/wos.poboxes.info/htdocs/classes/ConfigData.php on line 114 >>> >>> >>> What causes this? How can I fix it? >>> FYI: I use Cherokee (not Apache...) >>> >>> >>> >>> Regards, >>> Evert >> >> On some pages? >> So it works on the other pages on the same webserver? >> >> Probably you have unset the function, or some file/php/include/script >> does. >> Best way to test that is to put preg_match at the first line. >> >> Is a htaccess causing trouble probably? > > Since when can you "unset" functions from within php scripts?? (except > with specialized modules, which we'll just ignore for now). > > My guess here is that the PCRE-library was disabled during compilation > of your PHP5 tree (check phpinfo for that). If so, you'll need to > compile it in to have the functions. You're right! :-) It turned out that php5 was compiled without pcre-support. I have recompiled it, and now it works like a charm! :-) Thanks for the help! :-) Regards, Evert