简介

The PECL/rrd extension provides bindings to the RRDtool C library. RRDtool is the open source industry standard, high performance data logging and graphing system for time series data.

The RRDtool homepage is » http://www.mrtg.org/rrdtool/.

php rrd the rrdcreator class php rrd the rrdgraph class php rrd the rrdupdater class php rrd 函数 creates image from a data php rrd 函数 gets information about rrd file php rrd 函数 gets unix timestamp of the last sample php rrd 函数 gets information about last updated data php rrd 函数 restores the rrd file from xml dump php rrd 函数 tunes some rrd database file header options php rrd 函数 updates the rrd database php rrd 函数 gets information about underlying rrdtool library php rrd rrd 函数 php rrd 预定义常量 php 范例 oop pecl/rrd example php 范例 procedural pecl/rrd example php rrd 范例 php rrdcreator saves the rrd database to a file php rrdgraph saves the rrd database query into image and returns the verbose information about generated graph php rrdgraph sets the options for rrd graph export php rrdupdater update the rrd database file