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MongoGridFSCursor::key

(PECL mongo >=0.9.0)

MongoGridFSCursor::keyReturns the current result's filename

说明

public string MongoGridFSCursor::key ( void )

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
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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