pg_options

pg_options() will return a string containing the options specified on the given PostgreSQL connection resource.

PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

A string containing the connection options, or FALSE on error.

<?php
   $pgsql_conn = pg_connect("dbname=mark host=localhost");
   echo pg_options($pgsql_conn);
?>

pg_connect() -