Apparently this function does not return the database name given in the connection string. I tried this on apache 2.x/php4.3.x/pg7.4.x and apache 1.3.x/php5.x/pg8rc1 and saw this behavior on both setups.
(PHP 4, PHP 5)
pg_options — Get the options associated with the connection
pg_options() will return a string containing
the options specified on the given PostgreSQL
A string containing the
FALSE on error.
Örnek 1 pg_options() example
$pgsql_conn = pg_connect("dbname=mark host=localhost");