rrd_graph

(PECL rrd >= 0.9.0)

rrd_graphCreates image from a data

说明

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

Creates image for a particular data from RRD file.

参数

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 definitions, etc.) are allowed.

返回值

Array with information about generated image is returned, 或者在失败时返回 false.