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MongoGridFSCursor::key

(PECL mongo >=0.9.0)

MongoGridFSCursor::keyReturns the current result's filename


说明

public MongoGridFSCursor::key ( ) : string

参数

此函数没有参数。


返回值

The current result's _id as a string.


更新日志

版本 说明
PECL mongo 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.