MongoDB\BSON\TimestampInterface::getTimestamp Returns the timestamp component of this TimestampInterface &reftitle.description; abstract public intMongoDB\BSON\TimestampInterface::getTimestamp &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns the timestamp component of this TimestampInterface. On 32-bit systems this method may return a negative number. Although the increment and timestamp parts of the BSON timestamp type consists of two unsigned 32-bit values, PHP can not represent these on 32-bit platforms. &reftitle.seealso; MongoDB\BSON\Timestamp::getTimestamp