MongoCursor::key
(PECL mongo >=0.9.0)
MongoCursor::key — Returns the current result's _id, or its index within the result set
Description
public MongoCursor::key
( void
) : string|int
Parameters
This function has no parameters.
Return Values
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.
See Also
- Iterator::key() - Return the key of the current element
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