MS SQL connection with PHP fatal error [duplicate]

This question already has an answer here: Call to undefined function mssql_connect() (1 answer) Closed 9 years ago.

I use the following code for connecting php with MS SQL :

$server = 'a.b.c.d';
$link = mssql_connect($server, 'sql_user', 'sql_user_pass');

But it gives the following error开发者_开发问答:

Fatal error: Call to undefined function mssql_connect()

How can I solve this?

Mention that I am using MS SQL (SQL SERVER 2008), PHP 5.3.1, WINDOWS 7.

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“mssql” was dropped from PHP 5.3 distribution. Use sqlsrv drivers instead. You can find those at this link PHP drivers for MS-SQL

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The MSSQL extension is not activated by default.

• Do a phpinfo() to find out which php.ini file is used by your PHP installation

• open that php.ini file

• uncomment the line saying ;extension=php_mssql.dll (remove the semicolon)

• Restart the server if necessary