#hostingforum.kr
php

// RRDGraph 클래스를 사용하여 그래프를 생성하는 예제

class RRDGraph {

    private $rrdfile;

    private $start;

    private $end;

    private $title;

    private $vertical_label;

    private $horizontal_label;



    public function __construct($rrdfile, $start = null, $end = null, $title = '', $vertical_label = '', $horizontal_label = '') {

        $this->rrdfile = $rrdfile;

        $this->start = $start !== null ? $start : time();

        $this->end = $end !== null ? $end : time();

        $this->title = $title;

        $this->vertical_label = $vertical_label;

        $this->horizontal_label = $horizontal_label;

    }



    public function generate_graph() {

        $command = "rrdtool graph - -width 800 -height 600 --start $this->start --end $this->end --title '$this->title' --vertical-label '$this->vertical_label' --horizontal-label '$this->horizontal_label' $this->rrdfile";

        exec($command);

    }

}



// RRDGraph 클래스를 사용하여 그래프를 생성하는 예제

$rrdfile = 'example.rrd';

$start = time() - 86400; // 1일 전

$end = time();

$title = '예제 그래프';

$vertical_label = '값';

$horizontal_label = '시간';



$graph = new RRDGraph($rrdfile, $start, $end, $title, $vertical_label, $horizontal_label);

$graph->generate_graph();