RRD Functions

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- PHP Manual
- RRD
- RRD Functions

# RRD Functions

## Table of Contents

- 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