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    rrd_first

    (PECL rrd >= 0.9.0)

    rrd_first — Gets the timestamp of the first sample from rrd file

    Beschreibung

    rrd_first(string $file, int $raaindex = 0): int

    Returns the first data sample from the specified RRA of the RRD file.

    Parameter-Liste

    file

    RRD database file name.

    raaindex

    The index number of the RRA that is to be examined. Default value is 0.

    Rückgabewerte

    Integer number of unix timestamp,Bei einem Fehler wird false zurückgegeben..

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