php man page for rrd_version

RRD_VERSION(3)								 1							    RRD_VERSION(3)

rrd_version - Gets information about underlying rrdtool library

SYNOPSIS
       string rrd_version (void  )

DESCRIPTION
	Returns information about underlying rrdtool library.

PARAMETERS
       This function has no parameters.

RETURN VALUES
	String with rrdtool version number e.g. "1.4.3".

PHP Documentation Group 													    RRD_VERSION(3)