From: [EMAIL PROTECTED]
Operating system: Windows (2000)
PHP version: 4.1.2
PHP Bug Type: PCRE related
Bug description: Bad backslash substitution w/ subexpressions
Actually, this is quite simple.
Take this:
$preg_replace("/.\:\\.*?\\(.*?).gif/i","http://xpto/\\1.img",$string);
Theoretically, this would make a simple find-replace, but PHP throws out a
"unmatched parenthesis" error (Compilation failed: unmatched parentheses
at offset 12 blablabla...). With the only parentheses in that regexp being
the "(.*?)" in the middle, the error is awkward.
After some juggling I eventually found that it seems that in the "\\(.*?)"
part of the expression, the backslash before the parenthesis gets replaced
with an actual parenthesis BEFORE the double-backslash is replaced with an
actual backslash. I tried putting a space before the parenthesis and no
error appeared (obviously, the regexp didn't work like that :).
--
Edit bug report at http://bugs.php.net/?id=16537&edit=1
--
Fixed in CVS: http://bugs.php.net/fix.php?id=16537&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=16537&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=16537&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=16537&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=16537&r=support
Expected behavior: http://bugs.php.net/fix.php?id=16537&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=16537&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=16537&r=submittedtwice