MongoGridFSCursor::key

(PECL mongo >=0.9.0)

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

说锟斤拷

public MongoGridFSCursor::key ( void ) : string

锟斤拷锟斤拷

锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷

锟斤拷锟斤拷值

The current result's _id as a string.

锟斤拷锟斤拷锟斤拷志

锟芥本 说锟斤拷
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.