MongoCursor::key
Returns the current result's _id, or its index within the result set
Beschreibung
public string|int MongoCursor::key
( void
)
Parameter-Liste
Diese Funktion hat keine Parameter.
Rückgabewerte
The current result's _id as a string. If the result
has no _id, its numeric index within the result set will
be returned as an integer.