下载Sql Server PHP扩展
Microsoft Drivers for PHP for SQL Server
https://github.com/Microsoft/msphpsql/releases/tag/v5.2.0-RC
https://github.com/Microsoft/msphpsql/tags(全部连接)
下载ODBC驱动
Microsoft? ODBC Driver 13.1 for SQL Server
https://www.microsoft.com/en-us/download/details.aspx?id=53339
