update : 2015.11.03
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Returns the current result's filename

MongoGridFSCursor::key

(PECL mongo >=0.9.0)

MongoGridFSCursor::keyReturns the current result's filename

설명

public string MongoGridFSCursor::key ( void )

인수

이 함수는 인수가 없습니다.

반환값

The current result's _id as a string.

변경점

버전 설명
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.