(PECL mongo >=0.9.0)
MongoGridFSCursor::key — Returns the current result's filename
public string MongoGridFSCursor::key ( void )
This function has no parameters.
The current result's _id as a string.
|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.|
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