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 rrdupdater class php rrd 函数 creates rrd database file php rrd 函数 gets latest error message php rrd 函数 fetch the data for graph as array php rrd 函数 gets the timestamp of the first sample from rrd file 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 gets information about underlying rrdtool library php rrd 函数 exports the information about rrd database php rrd 函数 close any outstanding connection to rrd caching daemon php rrd 简介 php rrd rrd 函数 php 范例 procedural pecl/rrd example php rrd 范例 php rrd 安装／配置 php rrdcreator adds data source definition for rrd database 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