(PECL rrd >= 0.9.0)
Updates the RRD database.
bool rrd_update ( string $filename, array $options )
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.
Returns:
Returns TRUE on success, FALSE when error occurs.
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