rrd_first(3) php man page | unix.com

RRD_FIRST(3)								 1							      RRD_FIRST(3)

rrd_first - Gets the timestamp of the first sample from rrd file.

SYNOPSIS
       int rrd_first (string  $file, [int  $raaindex])

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

PARAMETERS
	      o $file
		- RRD database file name.

	      o $raaindex
		- The index number of the RRA that is to be examined. Default value is 0.

RETURN VALUES
	Integer number of unix timestamp, FALSE if some error occurs.

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