Tenho a impressão que pode sim. Mas com o intermédio do ODBC.

Pode ser que eu esteja falando besteira, mas acho que, se houver uma, esta é a única solução.

Perfeitamente...

http://www.php.net/manual/en/ref.dbase.php

neste endereço você encontrará toda a referência necessária...

Mas deve estar habilitado no php.ini, verifique

Usando as funcoes:
dbase_add_record -- Add a record to a dBase database
dbase_close -- Close a dBase database
dbase_create -- Creates a dBase database
dbase_delete_record -- Deletes a record from a dBase database
dbase_get_record_with_names -- Gets a record from a dBase database as an associative array
dbase_get_record -- Gets a record from a dBase database
dbase_numfields -- Find out how many fields are in a dBase database
dbase_numrecords -- Find out how many records are in a dBase database
dbase_open -- Opens a dBase database
dbase_pack -- Packs a dBase database
dbase_replace_record -- Replace a record in a dBase database

Usando as funcoes:
dbase_add_record -- Add a record to a dBase database
dbase_close -- Close a dBase database
dbase_create -- Creates a dBase database
dbase_delete_record -- Deletes a record from a dBase database
dbase_get_record_with_names -- Gets a record from a dBase database as an associative array
dbase_get_record -- Gets a record from a dBase database
dbase_numfields -- Find out how many fields are in a dBase database
dbase_numrecords -- Find out how many records are in a dBase database
dbase_open -- Opens a dBase database
dbase_pack -- Packs a dBase database
dbase_replace_record -- Replace a record in a dBase database

Perfeitamente,
leia meu artigo em http://www.phpbrasil.com/articles/article.php/id/588 .