PHP SQLSERVER2008 CONFIGURATION

Is PHP running in a web server on the same machine as the SQL Server or is it on a different machine?  If it is on a different machine, then you need to install SQL Native Client because the SQLSRV driver needs it to operate properly.  If it is on the same machine, it is already installed when you installed the SQL Server.

The demo codes on this page http://us3.php.net/manual/en/function.sqlsrv-connect.php work fine if you have it set up correctly.  You have to change some of the details to match your setup.

"change port for php to 90" ??  What does that mean?  What did you install?

That doesn't make any sense.  PHP itself does not listen to a port but the Apache web server does.  Apache launches PHP when there is a request for a PHP file.

Which version of Windows are you running?  Do you also have IIS or Skype installed?  If you also have IIS installed, it will probably respond when you make a request to 'localhost' instead of Apache.

Did you try the code examples in the link above?

Create a file called 'phpinfo.php' in your web root with the contents below.   Put it's url in your browser (http://localhost:90/phpinfo.php) and it should show a page containing a lot of info about your PHP installation.  Look for 'sqlsrv' in that listing and tell me if you find it.

<?php
// Show all information, defaults to INFO_ALL
phpinfo();
?>

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http://us3.php.net/manual/en/function.phpinfo.php