[wp-hackers] preg_match_all() Crashes Server
paul at codehooligans.com
Wed Mar 13 15:26:40 UTC 2013
Could be they are just under the memory limit threshold. Check the wp-config.php and or php.ini memory settings.
On Mar 13, 2013, at 11:01 AM, Mike Walsh <mpwalsh8 at gmail.com> wrote:
> A user of my WordPress Google Form plugin has run into an odd problem where
> visiting the Plugin Settings page results in a server crash. I can't
> replicate it but he provided me access to a test site where I was able to
> determine that a call to preg_match_all() is what is crashing the server.
> I am not sure how to resolve this. What I am doing is using
> wp_remote_get() to scrape the FAQ and Usage content for my plugin from the
> WordPress Plugin Repository (the content from the ReadMe file), extract
> what I want, and put the content on a tab on my Settings Page. Doing this
> allowed me an easy way to add Help to my plugin within the Settings Page.
> I've put a fragment of the code here in PastBin:
> This is the regular expression which fails:
> $pattern_short =
> $matchcount = preg_match_all($pattern_short, $data, $matches);
> After Googling a bit I thought the user might have an incorrect setting for
> pcre.backtrace_limit but his value (100000) is the same as what I have on
> my server.
> I am not sure what else to check at this point.
> Mike Walsh - mpwalsh8 at gmail.com
> wp-hackers mailing list
> wp-hackers at lists.automattic.com
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