PHP 5.3.27发布。2013-07-12 经过1个RC 上个版本是2013-06-07的5.3.26 修正了大约10个Bug以及几个安全漏洞。其他产品线5.5.0/5.4.17.注意这将是5.3系列最后一个常规版本，PHP官方建议用户应该升级到 5.4或5.5 但安全更新会持续到明年。
完全改进：
Version 5.3.27
11-Jul-2013
Core:
Fixed bug #64966 (segfault in zend_do_fcall_common_helper_SPEC).
Fixed bug #64960 (Segfault in gc_zval_possible_root).
Fixed bug #64934 (Apache2 TS crash with get_browser()).
Fixed bug #63186 (compile failure on netbsd).
DateTime:
Fixed bug #53437 (Crash when using unserialized DatePeriod instance).
PDO_firebird:
Fixed bug #64037 (Firebird return wrong value for numeric field).
Fixed bug #62024 (Cannot insert second row with null using parametrized query).
PDO_pgsql:
Fixed bug #64949 (Buffer overflow in _pdo_pgsql_error).
pgsql:
Fixed bug #64609 (pg_convert enum type support).
SPL:
Fixed bug #64997 (Segfault while using RecursiveIteratorIterator on 64-bits systems).
XML:
Fixed bug #65236 (heap corruption in xml parser).