Tried all versions of the ms dlls (vc6 , vc9 ,ts ,nts)..also tried v2.0 and v3.0 of the ms .dlls for SQL Server.
Every time i added the lines in the php.ini (the correct one in apache folder) and restarted the server..
apache error log always showd something like this:
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PHP Warning: PHP Startup: Unable to load dynamic library 'c:\\wamp\\bin\\php\\php5.3.10\\ext\\php_pdo_sqlsrv_53_ts_vc9.dll' - %1 is not a valid Win32 application.\r\n in Unknown on line 0 <br /> <b>Warning</b>: PHP Startup: Unable to load dynamic library 'c:\wamp\bin\php\php5.3.10\ext\php_pdo_sqlsrv_53_ts_vc9.dll' - %1 is not a valid Win32 application. in <b>Unknown</b> on line <b>0</b><br /> PHP Warning: PHP Startup: Unable to load dynamic library 'c:\\wamp\\bin\\php\\php5.3.10\\ext\\php_sqlsrv_53_ts_vc9.dll' - %1 is not a valid Win32 application.\r\n in Unknown on line 0 <br /> <b>Warning</b>: PHP Startup: Unable to load dynamic library 'c:\wamp\bin\php\php5.3.10\ext\php_sqlsrv_53_ts_vc9.dll' - %1 is not a valid Win32 application. ======