JpGraph: Beispiel: LinePlot: Statistik der Besucher, die von google kamen

 

<?PHP
    $monate = array("Jan", "Feb", "Mar", "Apr", "May", "Jun", 
        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
    foreach ($monate as $monat)
        $liste[$monat] = array();

    /*
     *   access_log wurde vorher mit 
     *       "grep '/2008:' access_log" auf das Jahr 2008 reduziert
     */

    $handle = fopen("access_log", "r");
    while (!feof($handle)) {
        $zeile = fgets($handle, 4096);
    
        $monat = explode("/", $zeile);
        $monat = $monat[1];

        if ($p = (strstr($zeile, "google"))) {
            if ($p = (strstr($p, "?"))) {
                $p = substr($p, 1);
                if ($q = explode("&", $p)) {
                    foreach ($q as $t) {
                        if (substr($t, 0, 2) == "q=") {
                            $t2 = explode("\"", $t);
                            $liste[$monat][] = ($t2[0]) ? $t2[0] : $t;
    }    }    }    }    }    }
    fclose ($handle);

    foreach ($liste as $monat => $b) {
        $gesamt[] = count($b);
        $unterschiedlich[] = count(array_unique($b));
        $legende[] = $monat;
        $differenz[] = 0;
        $diff_values[] = $differenz[] = (count($b) - count(array_unique($b)));
    }

    $graph = new Graph(600, 300, "auto");
    $graph->img->SetMargin(40, 20, 40, 75);
    $graph->SetScale("textlin");
    $graph->SetMarginColor("#EBEBEB");
    $graph->title->Set("Besucher von Google");
    $graph->title->SetFont(FF_VERDANA, FS_BOLD, 9);
    $graph->title->SetMargin(8);
    $graph->title->SetColor("black");

    $lineplot1 = new LinePlot($gesamt);
    $lineplot2 = new LinePlot($unterschiedlich);
    $lineplot3 = new LinePlot($diff_values);
    $errplot = new ErrorPlot($differenz);

    $lineplot1->SetFillColor("blue@0.6");
    $lineplot1->SetColor("blue");
    $lineplot1->SetWeight(1);
    $lineplot1->mark->SetType(MARK_FILLEDCIRCLE);
    $lineplot1->mark->SetFillColor("blue");
    $lineplot1->mark->SetWidth(3);
    $lineplot1->value->Show();
    $lineplot1->value->SetFont(FF_FONT0, FS_BOLD);
    $lineplot1->value->SetColor("black");
    $lineplot1->value->SetFormat("%d");
    $lineplot1->SetCenter();

    $lineplot2->SetFillColor("red@0.6");
    $lineplot2->SetColor("red");
    $lineplot2->SetWeight(1);
    $lineplot2->mark->SetType(MARK_FILLEDCIRCLE);
    $lineplot2->mark->SetFillColor("red");
    $lineplot2->mark->SetWidth(3);
    $lineplot2->SetCenter();

    $lineplot3->SetWeight(0);
    $lineplot3->value->Show();
    $lineplot3->value->SetFont(FF_FONT0, FS_BOLD);
    $lineplot3->value->SetColor("black");
    $lineplot3->value->SetFormat("%d");
    $lineplot3->SetCenter();

    $errplot->SetColor("gray");
    $errplot->SetWeight(1);
    $errplot->SetCenter();

    $graph->Add($lineplot1);
    $graph->Add($lineplot2);
    $graph->Add($lineplot3);
    $graph->Add($errplot);

    $graph->xaxis->SetFont(FF_VERDANA, FS_BOLD, 7);
    $graph->yaxis->SetFont(FF_VERDANA, FS_BOLD, 7);

    $graph->yaxis->SetLabelMargin(12);
    $graph->xaxis->SetLabelMargin(12);
    $graph->yaxis->HideZeroLabel(); 

    $graph->xaxis->SetTickLabels($legende);
    $graph->xaxis->HideTicks(true, true); 
    $graph->yaxis->scale->SetGrace(15);

    $graph->xgrid->Show(false, false);
    $graph->ygrid->Show(true, false);
    $graph->ygrid->SetColor("lightblue");
    $graph->ygrid->SetFill(true, "#EFEFEF@0.6", "#BBCCFF@0.6");
    $graph->ygrid->SetLineStyle("dashed");
    $graph->ygrid->SetWeight(1); 

    $lineplot1->SetLegend("unterschiedliche Besucher");
    $lineplot2->SetLegend("unterschiedliche Suchbegriffe");
    $errplot->SetLegend("gleiche Suchbegriffe");

    $graph->legend->Pos(0.5, 0.97, "center", "bottom");
    $graph->legend->SetLayout(LEGEND_HOR);
    $graph->legend->SetColor("darkblue");
    $graph->legend->SetFont(FF_VERDANA, FS_BOLD, 7);
    $graph->legend->SetFillColor("white");
    $graph->legend->SetShadow(FALSE);

    $graph->Stroke("include/tmp/jpgraph/JpGraph_GoogleBesucher.png");
?>