update : 2015.11.03
php.shukuma.com검색:
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MongoId::getTimestamp(PECL mongo >= 1.0.1) MongoId::getTimestamp — Gets the number of seconds since the epoch that this id was created 설명
public int MongoId::getTimestamp
( void
)
This returns the same thing as running time() when the id is created. 인수이 함수는 인수가 없습니다. 반환값Returns the number of seconds since the epoch that this id was created. There are only four bytes of timestamp stored, so MongoDate is a better choice for storing exact or wide-ranging times. |