Tickets :: Comment on [#10294] PCRE compilation failure in Horde

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Comment	> While working with calendar permissions in Kronolith, I found that > once I set permissions on a calendar for a particular group, the > group disappeared from the permissions window, although the > permissions seemed to work correctly. I found the following errors > in the horde log: > > HORDE [kronolith] PHP ERROR: preg_split(): Compilation failed: > lookbehind assertion is not fixed length at offset 9 [pid 24322 on > line 292 of "/usr/share/pear/Horde/Ldap/Util.php > > It appears that my version of PHP does not like the formatting of > that regex. There were three instances of a regex like this used in > preg_split: > > /(?<=[^\\\\]),/ > > It appears to me that the purpose of this regex is to split the > string on commas, as long as the comma is not escaped by a preceding > backslash. I changed the three instances of this regex to a negative > lookbehind assertion, which my version of PHP seems to like better: > > /(?<!\\\\),/ > > I see other instances of this type of negative lookbehind assertion > in Util.php, and it seems to be working on my setup. I will attach a > patch to Util.php in a subsequent post. > > My server config: > CentOS 5.6 x86_64 > Apache 2.2.3 installed via yum > PHP 5.3.3 installed via yum > PCRE 6.6 installed via yum
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