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Introduction
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PHP Manual
RRDtool
Introduction
Installing/Configuring
Requirements
Installation
Runtime Configuration
Resource Types
Predefined Constants
Examples
Procedural PECL/rrd example
OOP PECL/rrd example
RRD Functions
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.
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
syslog
Introduction
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PHP Manual