Modified README re user's suggestion (#841)

* Modified README re user's suggestion

* Moved the if condition to the end as per review

README.md

@@ -46,8 +46,8 @@ For full details on the system requirements for the drivers, see the [system req
 
 On the client machine:
 - PHP 7.0.x, 7.1.x, or 7.2.x (7.2.0 and up on Unix, 7.2.1 and up on Windows)
-- A Web server such as Internet Information Services (IIS) is required. Your Web server must be configured to run PHP
 - [Microsoft ODBC Driver 17, Microsoft ODBC Driver 13, or Microsoft ODBC Driver 11](https://docs.microsoft.com/en-us/sql/connect/odbc/download-odbc-driver-for-sql-server?view=sql-server-2017)
+- If using a Web server such as Internet Information Services (IIS) or Apache, it must be configured to run PHP
 
 On the server side, Microsoft SQL Server 2008 R2 and above on Windows are supported, as are Microsoft SQL Server 2016 and above on Linux.
 
@@ -59,7 +59,7 @@ If you choose to build the drivers, you must be able to build PHP 7 without incl
 
 To load the drivers, make sure that the driver is in your PHP extension directory and enable it in your PHP installation's php.ini file by adding `extension=php_sqlsrv.dll` and/or `extension=php_pdo_sqlsrv.dll` to it.  If necessary, specify the extension directory using `extension_dir`, for example: `extension_dir = "C:\PHP\ext"`. Note that the precompiled binaries have different names -- substitute accordingly in php.ini. For more details on loading the drivers, see [Loading the PHP SQL Driver](https://docs.microsoft.com/en-us/sql/connect/php/loading-the-php-sql-driver) on Microsoft Docs.
 
-Finally, restart the Web server.
+Finally, if running PHP in a Web server, restart the Web server.
 
 ## Install (UNIX)