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update : 2015.11.03
php.shukuma.com검색:
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MongoCursor::key(PECL mongo >=0.9.0) MongoCursor::key — Returns the current result's _id, or its index within the result set 설명
public string|int MongoCursor::key
( void
)
인수이 함수는 인수가 없습니다. 반환값The current result's _id as a string. If the result has no _id, its numeric index within the result set will be returned as an integer. 참고
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