How to specify capitalization for column names in pg_fetch_object?

Dear List,

I'm converting a PHP project from using Oracle to using Postgres.
Apparently, pg_fetch_object() wants to create an object with field names
lowercase by default.  In the Oracle analogue, they're uppercase.  So
all my code's "$obj->FIELD" references need to change to "$obj->field".

Is there any way to tell PHP or Postgres to change the default
capitalization?

In Perl, I'd use DBI and set FetchHashKeyName to "NAME_uc".  In PHP,
we're using "DB" (not MDB2) for the database connections, and I don't
see a similar-looking lever to pull on

Any advice is appreciated,

dave