rrd_fetch

(PECL rrd >= 0.9.0)

rrd_fetch — Fetch the data for graph as array

说明

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

Gets data for graph output from RRD database file as array. This function has same result as rrd_graph(), but fetched data are returned as array, no image file is created.

参数

filename: RRD database file name.
options: Array of options for resolution specification.

返回值

Returns information about retrieved graph data.