Method Search.Database.Base()->get_document_id()

Method get_document_id: int get_document_id(string uri, void|string language, void|int do_not_create)
Description: Retrieve and possibly creates the document id corresponding to the given URI and language code.
Parameter uri: The URI to be retrieved or created.
Parameter language: A two letter ISO-639-1 language code, or 0 if the document is language neutral.
Parameter do_not_create: If non-zero, do not create the document.
Returns: The non-zero numeric identifier if the document identified by uri and language_code exists, or 0 otherwise.