Php/docs/rrd.examples-oop

来自菜鸟教程
跳转至:导航、​搜索

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();?>