(PECL mongo >=1.0.4)
Adds a top-level key/value pair to a query
public MongoCursor MongoCursor::addOption ( string $key, mixed $value )
This is an advanced function and should not be used unless you know what you're doing.
A query can optionally be nested in a "query" field if other options, such as a sort or hint, are given. For instance, adding a sort causes the query to become a subfield of a bigger query object, lik