The PHP 5.2.9 release focuses on improving the stability of the 5.2.x platform fixing over 50 bugs, including some security updates.
Some of the bug fixes include :
- Added optional sorting type flag parameter to array_unique(). Default is SORT_REGULAR
- Fixed bug (libxml2 2.7 causes breakage with character data in xml_parse())
- A number of fixes in the mbstring extension
- Fixed bug (Improve pcre UTF-8 string matching performance)
- Fixed bug (xml_parse crash when parser is namespace aware)