MongoGridFSCursor::key

(PECL mongo >=0.9.0)

MongoGridFSCursor::key — Returns the current result's filename

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public MongoGridFSCursor::key ( void ) : string

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The current result's _id as a string.

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1.3.0 The document's _id is returned as a string value, since the key should be unique. Pre-1.3.0, filename was returned.