[dokuwiki] Re: Error on save with php5
- From: Preben Randhol <randhol+dokuwiki@xxxxxxx>
- To: dokuwiki@xxxxxxxxxxxxx
- Date: Sat, 07 Oct 2006 11:06:31 +0200
On Sat, 07 Oct 2006 02:19:58 +0100
Chris Smith <chris@xxxxxxxxxxxxx> wrote:
> Preben Randhol wrote:
> > Warning: preg_match() [function.preg-match]: Compilation failed:
> > repeated subpattern is too long at offset 14466
> > in /usr/share/dokuwiki/inc/common.php on line 391
> Hi Preben,
>
> Please report your dokuwiki version when reporting an error, that
> enables easy tracking of the line number that is causing your
> problem. Its also best to report bugs to the bugs.splitbrain.org,
> even if it turns out to be something with your configuration. The
> mailing list is transient where as the bug tracking is permanent.
dokuwiki 0.0.20060309-5.1
The codeline from common.php
372 if(version_compare(phpversion(),'4.3.0','<')){
373 //old versions of PCRE define a maximum of parenthesises even
if no
374 //backreferences are used - the maximum is 99
375 //this is very bad performancewise and may even be too high
still
376 $chunksize = 40;
377 }else{
378 //read file in chunks of 600 - this should work around the
379 //MAX_PATTERN_SIZE in modern PCRE
380 $chunksize = 400;
381 }
382 while($blocks = array_splice($wordblocks,0,$chunksize)){
383 $re = array();
384 #build regexp from blocks
385 foreach($blocks as $block){
386 $block = preg_replace('/#.*$/','',$block);
387 $block = trim($block);
388 if(empty($block)) continue;
389 $re[] = $block;
390 }
391 if(preg_match('#('.join('|',$re).')#si',$TEXT, $match=array
())) {
392 return true;
393 }
394 }
395 return false;
396 }
Preben
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