rrd_first
(PECL rrd >= 0.9.0)
rrd_first — Gets the timestamp of the first sample from rrd file.
Описание
int rrd_first
( string
$file
[, int $raaindex = 0
] )Returns the first data sample from the specified RRA of the RRD file.
Список параметров
-
file -
RRD database file name.
-
raaindex -
The index number of the RRA that is to be examined. Default value is 0.
Возвращаемые значения
Integer number of unix timestamp, FALSE if some error occurs.
Коментарии
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