Usable keys for the options array are:
debug enables debugging output
cacheType defines what type of cache to use
cacheOptions passes cache options
unitsFormat use (US)-standard, metric or custom units
customUnitsFormat defines the customized units format
httpTimeout sets timeout for HTTP requests
dateFormat string to use for date output
timeFormat string to use for time output
none
none
dsn String for defining the DB connection
dbOptions passes DB options
source http, ftp or file - type of data-source
sourcePath where to look for the source, URI or filepath
partnerID You'll receive these keys after registering
licenseKey with the weather.com XML-service