array rrd_graph    ( string $filename   , array $options   )

rrd_graphCreates image from a data

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.

options

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