Add an 'order by' element to the query
// basic usage $databaseQuerySelect->orderby($value); // usage with all arguments $databaseQuerySelect->orderby($value, bool $prepend = false);
Should the value be prepended onto the existing value? default is to append rather than prepend. Note that $prepend is applicable only when you pass this method a string. $prepend is ignored if you pass an array.
Object instance it was called from (method supports fluent interface).
API reference based on ProcessWire core version 3.0.148