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PHP Manual
RRD 函數
Creates image from a data

rrd_graph

(PECL rrd >= 0.9.0)

rrd_graph — Creates image from a data

說(shuō)明

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

Creates image for a particular data from RRD file.

參數

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, 或者在失敗時(shí)返回 false.

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