PHP-函数 RRD

rrd_create — Creates rrd database file
rrd_error — Gets latest error message.
rrd_fetch — Fetch the data for graph as array.
rrd_first — Gets the timestamp of the first sample from rrd file.
rrd_graph — Creates image from a data.
rrd_info — Gets information about rrd file
rrd_last — Gets unix timestamp of the last sample.
rrd_lastupdate — Gets information about last updated data.
rrd_restore — Restores the RRD file from XML dump.
rrd_tune — Tunes some RRD database file header options.
rrd_update — Updates the RRD database.
rrd_version — Gets information about underlying rrdtool library
rrd_xport — Exports the information about RRD database.
rrdc_disconnect — Close any outstanding connection to rrd caching daemon
RRDCreator — The RRDCreator class
RRDCreator::addArchive — Adds RRA - archive of data values for each data source.
RRDCreator::addDataSource — Adds data source definition for RRD database.
RRDCreator::__construct — Creates new RRDCreator instance
RRDCreator::save — Saves the RRD database to a file
RRDGraph — The RRDGraph class
RRDGraph::__construct — Creates new RRDGraph instance
RRDGraph::save — Saves the result of query into image
RRDGraph::saveVerbose — Saves the RRD database query into image and returns the verbose information about generated graph.
RRDGraph::setOptions — Sets the options for rrd graph export
RRDUpdater — The RRDUpdater class
RRDUpdater::__construct — Creates new RRDUpdater instance
RRDUpdater::update — Update the RRD database file