Call to undefined function dba_handlers()

I looked in my php.ini for an option to enable the DBA extension and I found "php_dba.dll". However in the "ext" folder there is no such file with thi开发者_如何学JAVAs name. Where can I get it?

Create a file which contains

<?php
phpinfo();

and open it on your Webserver. Check there if the Berkeley db is mentioned anywhere.

If you found nothing follow http://www.php.net/manual/en/dba.installation.php also take care of the warning notice on this page.

dba_handlers() is available in PHP since the version 4.3 do you have at least 4.3? Is there a error message about missing php_dba.dll when you restart your server?