rrd_first
(PECL rrd >= 0.9.0)
rrd_first — Gets the timestamp of the first sample from rrd file
Beschreibung
$file
, int $raaindex
= 0): intReturns 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..