Object oriented style (method):
Returns the rowid of the row that was most recently inserted into the database
dbhandle, if it was created as an auto-increment field.
You can create auto-increment fields in SQLite by declaring them as INTEGER PRIMARY KEY in your table schema.
Returns the row id, as an integer.
- resource $dbhandle: The SQLite Database resource; returned from sqlite_open() when used procedurally. This parameter is not required when using the object-oriented method.