rrd_first
Note; apache server requires write access to the folder in which the image is to be created otherwise no image file is produced, and (unhelpfully) no error is generated.
rrd_graph
(PECL rrd >= 0.9.0)
rrd_graph — Creates image from a data.
Description
array rrd_graph
( string
$filename
, array $options
)Creates image for a particular data from RRD file.
Parameters
-
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.
Return Values
Array with information about generated image is returned, FALSE when error
occurs.
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