Returns the current result's filename

# MongoGridFSCursor::key

(PECL mongo >=0.9.0)

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

### Descrierea

public MongoGridFSCursor::key ( void ) : string

### Parametri

Această funcție nu are parametri.

### Valorile întoarse

The current result's _id as a string.

### Istoricul schimbărilor

Versiune | Descriere
--- | ---
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.