php man page for rrd_graph

RRD_GRAPH(3)								 1							      RRD_GRAPH(3)

rrd_graph - Creates image from a data.

SYNOPSIS
       array rrd_graph (string	$filename, array  $options)

DESCRIPTION
	Creates image for a particular data from RRD file.

PARAMETERS
	      o $filename
		-  The	filename to output the graph to. This will generally end in either .png, .svg or .eps, depending on the format you want to
		output.

	      o $options
		- Options for generating image. See man page of rrd graph for all possible options. All options (data definitions, variable defin-
		tions, etc.) are allowed.

RETURN VALUES
	Array with information about generated image is returned, FALSE when error occurs.

PHP Documentation Group 													      RRD_GRAPH(3)