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(PECL mongo >=0.9.0)

MongoCursor::keyReturns the current result's _id, or its index within the result set


public MongoCursor::key ( void ) : string|int


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

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