Apache: v.2.2.14PHP: 5.3.1PostgreSQL: 8.4XAMPP: version 1.7.3
XAMPP comes with php_pgsql.dll / so that is all you have to do is edit php.ini and remove the semicolon before
extension = php_pgsql.dll
and then restart apache.
Yes you can, http://nl3.php.net/manual/en/book.pgsql.php