删除了：
- sapi/aolserver
- sapi/apache- sapi/apache_hooks
- sapi/apache2filter
- sapi/caudium
- sapi/continuity
- sapi/isapi
- sapi/milter
- sapi/nsapi
- sapi/phttpd
- sapi/pi3web
- sapi/roxen
- sapi/thttpd
- sapi/tux
- sapi/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
