rrd_graph

(PECL rrd >= 0.9.0)

rrd_graph — Creates image from a data

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

Creates image for a particular data from RRD file.

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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.

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