Extensions et SAPI supprimés de PHP7
删除了：
- vache/aolserver
- vache/apache- vache/apache_hooks
- vache/apache2filter
- vache/caudium
- vache/continuité
- vache/isapi
- vache/milter
- vache/ nsapi
- cow/phttpd
- cow/pi3web
- cow/roxen
- cow/thttpd
- cow/tux
- cow/webjames
- ext/mssql
- ext/mysql
- ext/sybase_ct
- ext/ ereg
参考资料：
https://wiki.php.net/rfc/removal_of_dead_sapis_and_exts
https://wiki.php.net/rfc/remove_deprecated_functionality_in_php7
