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    rrd_first

    (PECL rrd >= 0.9.0)

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

    説明

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

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

    パラメータ

    file

    RRD database file name.

    raaindex

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

    戻り値

    Integer number of unix timestamp,失敗した場合に false を返します.

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