Php/docs/rrd.examples-oop
OOP PECL/rrd example
Example #1 OO usage of rrd
<?php$rrdFile = dirname(__FILE__) . "/speed.rrd";$outputPngFile = dirname(__FILE__) . "/speed.png";$creator = new RRDCreator($rrdFile, "now -10d", 500);$creator->addDataSource("speed:COUNTER:600:U:U");$creator->addArchive("AVERAGE:0.5:1:24");$creator->addArchive("AVERAGE:0.5:6:10");$creator->save();$updater = new RRDUpdater($rrdFile);$updater->update(array("speed" => "12345"), "920804700");$updater->update(array("speed" => "12357"), "920805000");$graphObj = new RRDGraph($outputPngFile);$graphObj->setOptions( array( "--start" => "920804400", "--end" => 920808000, "--vertical-label" => "m/s", "DEF:myspeed=$rrdFile:speed:AVERAGE", "CDEF:realspeed=myspeed,1000,*", "LINE2:realspeed#FF0000" ));$graphObj->save();?>