YYBISON_VERSION    49 Zend/zend_ini_parser.c #define YYBISON_VERSION "2.4.1"
YYBISON_VERSION    49 Zend/zend_language_parser.c #define YYBISON_VERSION "2.4.1"
YYBISON_VERSION    47 sapi/phpdbg/phpdbg_parser.c #define YYBISON_VERSION "2.7.12-4996"