PHP 5.5.15 发布，该版本修复了 14 版本中的一些 bug，包括：
- CLI server:
- Fixed bug #67429 (CLI server is missing some new HTTP response codes).
- Fixed bug #66830 (Empty header causes PHP built-in web server to hang).
- Core:
- Fixed bug #67428 (header('Location: foo') will override a 308-399 response code).
- Fixed bug #67436 (Autoloader isn't called if two method definitions don't match).
- Fixed bug #67091 (make install fails to install libphp5.so on FreeBSD 10.0).
- Fixed bug #67497 eval with parse error causes segmentation fault in generator).
- Fixed bug #67151 (strtr with empty array crashes).
- Fixed bug #67407 (Windows 8.1/Server 2012 R2 reported as Windows 8/Server 2012).
- FPM:
- Fixed bug #67530 (error_log=syslog ignored).
- Fixed bug #67531 (syslog cannot be set in pool configuratio).
- Intl:
- Fixed bug #66921 (Wrong argument type hint for function intltz_from_date_time_zone).
- Fixed bug #67052 (NumberFormatter::parse() resets LC_NUMERIC setting).
- OPCache:
- Fixed bug #67215 (php-cgi work with opcache, may be segmentation fault happen).
- pgsql:
- Fixed bug #67550 (Error in code "form" instead of "from", pgsql.c, line 756), which affected builds against libpq < 7.3).
- Phar:
- Fixed bug #67587 (Redirection loop on nginx with FPM).
- SPL:
- Fixed bug #67539 (ArrayIterator use-after-free due to object change during sorting).
- Fixed bug #67538 (SPL Iterators use-after-free) (CVE-2014-4670).
- Streams:
- Fixed bug #67430 (http:// wrapper doesn't follow 308 redirects).
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