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<rrd_tunerrd_version>
^RRD FunctionsLast updated: Mon, 26 Oct 2026

rrd_update

(PECL rrd >= 0.9.0)

rrd_update — Updates the RRD database

Description

function rrd_update(string $filename, array $options): bool

Updates the RRD database file. The input data is time interpolated according to the properties of the RRD database file.

Parameters

filename

RRD database file name. This database will be updated.

options

Options for updating the RRD database. This is list of strings. See man page of rrd update for whole list of options.

Return Values

Returns true on success or false on failure.


<rrd_tunerrd_version>
^RRD FunctionsLast updated: Mon, 26 Oct 2026