Is extension pgsql loaded: yes (if "no" pg_connect will fail)
trying to make a connction, using:
>host=homer.u.washington.edu dbname=postgres port=45677 user=dave password=pass<
   host:     >homer.u.washington.edu<
   dbname:   >postgres<
   port:     >45677<
   user:     >dave<
   password: >pass<


Warning:  pg_connect(): Unable to connect to PostgreSQL server: could not connect to server: Connection refused
	Is the server running on host "homer.u.washington.edu" (128.208.60.222) and accepting
	TCP/IP connections on port 45677?
could not connect to server: Connection refused
	Is the server running on host "homer.u.washington.edu" (128.208.60.197) and accepting
	TCP/IP connections on port 45677?
could not connect to server: Connection refused
	Is the server running on host "homer.u.washington.edu" (128.208.60.206) and accepting
	TCP/IP connections on port 45677? in /nfs/bronfs/uwfs/hw00/d37/info445/apps/snacks/test_db.php on line 18



Warning:  pg_last_error(): No PostgreSQL link opened yet in /nfs/bronfs/uwfs/hw00/d37/info445/apps/snacks/test_db.php on line 19

Could not connect