PHP ezcGraphLineChart::renderToOutput方法代码示例

function graph_bydate($p_metrics, $p_labels, $p_title, $p_graph_width = 300, $p_graph_height = 380)
{
    $t_graph_font = graph_get_font();
    error_check(is_array($p_metrics) ? count($p_metrics) : 0, lang_get('by_date'));
    if (plugin_config_get('eczlibrary') == ON) {
        $t_metrics = array();
        $t_dates = array_shift($p_metrics);
        //[0];
        $t_cnt = count($p_metrics);
        foreach ($t_dates as $i => $val) {
            //$t_metrics[$val]
            for ($j = 0; $j < $t_cnt; $j++) {
                $t_metrics[$j][$val] = $p_metrics[$j][$i];
            }
        }
        $graph = new ezcGraphLineChart();
        $graph->background->color = '#FFFFFF';
        $graph->xAxis = new ezcGraphChartElementNumericAxis();
        for ($k = 0; $k < $t_cnt; $k++) {
            $graph->data[$k] = new ezcGraphArrayDataSet($t_metrics[$k]);
            $graph->data[$k]->label = $p_labels[$k + 1];
        }
        $graph->xAxis->labelCallback = 'graph_date_format';
        $graph->xAxis->axisLabelRenderer = new ezcGraphAxisRotatedLabelRenderer();
        $graph->xAxis->axisLabelRenderer->angle = -45;
        $graph->legend->position = ezcGraph::BOTTOM;
        $graph->legend->background = '#FFFFFF80';
        $graph->driver = new ezcGraphGdDriver();
        //$graph->driver->options->supersampling = 1;
        $graph->driver->options->jpegQuality = 100;
        $graph->driver->options->imageFormat = IMG_JPEG;
        $graph->title = $p_title . ' ' . lang_get('by_date');
        $graph->options->font = $t_graph_font;
        $graph->renderToOutput($p_graph_width, $p_graph_height);
    } else {
        $graph = new Graph($p_graph_width, $p_graph_height);
        $graph->img->SetMargin(40, 140, 40, 100);
        if (ON == plugin_config_get('jpgraph_antialias')) {
            $graph->img->SetAntiAliasing();
        }
        $graph->SetScale('linlin');
        $graph->SetMarginColor('white');
        $graph->SetFrame(false);
        $graph->title->Set($p_title . ' ' . lang_get('by_date'));
        $graph->title->SetFont($t_graph_font, FS_BOLD);
        $graph->legend->Pos(0.01, 0.05, 'right', 'top');
        $graph->legend->SetShadow(false);
        $graph->legend->SetFillColor('white');
        $graph->legend->SetLayout(LEGEND_VERT);
        $graph->legend->SetFont($t_graph_font);
        $graph->yaxis->scale->ticks->SetDirection(-1);
        $graph->yaxis->SetFont($t_graph_font);
        $graph->yaxis->scale->SetAutoMin(0);
        if (FF_FONT2 <= $t_graph_font) {
            $graph->xaxis->SetLabelAngle(60);
        } else {
            $graph->xaxis->SetLabelAngle(90);
            # can't rotate non truetype fonts
        }
        $graph->xaxis->SetLabelFormatCallback('graph_date_format');
        $graph->xaxis->SetFont($t_graph_font);
        /*		$t_line_colours = plugin_config_get( 'jpgraph_colors' );
        		$t_count_colours = count( $t_line_colours );*/
        $t_lines = count($p_metrics) - 1;
        $t_line = array();
        for ($i = 1; $i <= $t_lines; $i++) {
            $t_line[$i] = new LinePlot($p_metrics[$i], $p_metrics[0]);
            //$t_line[$i]->SetColor( $t_line_colours[$i % $t_count_colours] );
            $t_line[$i]->SetCenter();
            $t_line[$i]->SetLegend($p_labels[$i]);
            $graph->Add($t_line[$i]);
        }
        if (helper_show_query_count()) {
            $graph->subtitle->Set(db_count_queries() . ' queries (' . db_time_queries() . 'sec)');
            $graph->subtitle->SetFont($t_graph_font, FS_NORMAL, 8);
        }
        $graph->Stroke();
    }
}

 public function testRenderLineChartToOutput()
 {
     $filename = $this->tempDir . __FUNCTION__ . '.svg';
     $chart = new ezcGraphLineChart();
     $chart->palette = new ezcGraphPaletteBlack();
     $chart->data['Line 1'] = new ezcGraphArrayDataSet(array('sample 1' => 234, 'sample 2' => 21, 'sample 3' => 324, 'sample 4' => 120, 'sample 5' => 1));
     ob_start();
     // Suppress header already sent warning
     @$chart->renderToOutput(500, 200);
     file_put_contents($filename, ob_get_clean());
     $this->compare($this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg', $filename);
 }

 /**
  * Generates a crash report upload statistics graph for currently 
  * selected project and dumps it to stdout.
  * @param integer $w Desired image width.
  * @param integer $h Desired image height.
  * @param integer $period Desired time period (7, 30 or 365).
  * @throws CHttpException
  * @return void
  */
 public static function generateUploadStatisticsGraph($w, $h, $period, $file = null)
 {
     if (!is_numeric($w) || $w <= 0 || $w > 1024) {
         throw new CHttpException(403, 'Invalid parameter');
     }
     if (!is_numeric($h) || $h <= 0 || $h > 960) {
         throw new CHttpException(403, 'Invalid parameter');
     }
     if (!is_numeric($period) || $period <= 0 || $period > 365) {
         throw new CHttpException(403, 'Invalid parameter');
     }
     // Get current project info
     $curProjectId = Yii::app()->user->getCurProjectId();
     $curVer = Project::PROJ_VER_NOT_SET;
     $versions = Yii::app()->user->getCurProjectVersions($curVer);
     // Prepare data
     $data = array();
     $tomorrow = mktime(0, 0, 0, date("m"), date("d") + 1, date("Y"));
     $finishDate = $tomorrow - 1;
     $curDate = $finishDate;
     $dateFrom = $curDate;
     while ($finishDate - $curDate < $period * 24 * 60 * 60) {
         // Calc the beginning of time interval
         if ($period > 30) {
             $dateFrom = mktime(0, 0, 0, date("m", $curDate) - 1, date("d", $curDate), date("Y", $curDate));
         } else {
             if ($period > 7) {
                 $dateFrom = mktime(0, 0, 0, date("m", $curDate), date("d", $curDate) - 6, date("Y", $curDate));
             } else {
                 $dateFrom = mktime(0, 0, 0, date("m", $curDate), date("d", $curDate), date("Y", $curDate));
             }
         }
         // Get count of crash reports received within the period
         $criteria = new CDbCriteria();
         $criteria->compare('project_id', $curProjectId);
         if ($curVer != Project::PROJ_VER_ALL) {
             $criteria->compare('appversion_id', $curVer);
         }
         $criteria->addBetweenCondition('received', $dateFrom, $curDate);
         $count = CrashReport::model()->count($criteria);
         // Add an item to data
         $item = array($period > 30 ? date('M y', $curDate) : date('j M', $curDate) => $count);
         $data = $item + $data;
         // Next time interval
         $curDate = $dateFrom - 1;
     }
     $graph = new ezcGraphLineChart();
     $graph->palette = new ezcGraphPaletteEzBlue();
     $graph->data['Versions'] = new ezcGraphArrayDataSet($data);
     $majorStep = round(max($data));
     if ($majorStep == 0) {
         $majorStep = 1;
     }
     $graph->yAxis->majorStep = $majorStep;
     $graph->yAxis->minorStep = $graph->yAxis->majorStep / 5;
     $graph->xAxis->labelCount = 30;
     /*$graph->xAxis = new ezcGraphChartElementDateAxis();
     		$graph->xAxis->dateFormat = 'M';
     		$graph->xAxis->endDate = $finishDate;
     		$graph->xAxis->startDate = $dateFrom;
     		$graph->xAxis->interval = ezcGraphChartElementDateAxis::MONTH;*/
     //$graph->data['Versions']->highlight = true;
     $graph->options->fillLines = 210;
     $graph->legend = false;
     $graph->legend->position = ezcGraph::RIGHT;
     $graph->options->font->name = 'Tahoma';
     $graph->options->font->maxFontSize = 12;
     $graph->options->font->minFontSize = 1;
     if ($file === null) {
         $graph->renderToOutput($w, $h);
     } else {
         $graph->render($w, $h, $file);
     }
 }

function graph_cumulative_bydate2($p_metrics, $p_graph_width = 300, $p_graph_height = 380)
{
    $t_graph_font = 'c:\\windows\\fonts\\arial.ttf';
    //graph_get_font();
    error_check(is_array($p_metrics) ? count($p_metrics) : 0, plugin_lang_get('cumulative') . ' ' . lang_get('by_date'));
    $graph = new ezcGraphLineChart();
    $graph->xAxis = new ezcGraphChartElementNumericAxis();
    $graph->data[0] = new ezcGraphArrayDataSet($p_metrics[0]);
    $graph->data[0]->label = plugin_lang_get('legend_reported');
    $graph->data[0]->color = '#FF0000';
    $graph->data[1] = new ezcGraphArrayDataSet($p_metrics[1]);
    $graph->data[1]->label = plugin_lang_get('legend_resolved');
    $graph->data[1]->color = '#0000FF';
    $graph->data[2] = new ezcGraphArrayDataSet($p_metrics[2]);
    $graph->data[2]->label = plugin_lang_get('legend_still_open');
    $graph->data[2]->color = '#000000';
    $graph->additionalAxis[2] = $nAxis = new ezcGraphChartElementNumericAxis();
    $nAxis->chartPosition = 1;
    $nAxis->background = '#005500';
    $nAxis->border = '#005500';
    $nAxis->position = ezcGraph::BOTTOM;
    $graph->data[2]->yAxis = $nAxis;
    $graph->xAxis->labelCallback = 'graph_date_format';
    $graph->xAxis->axisLabelRenderer = new ezcGraphAxisRotatedLabelRenderer();
    $graph->xAxis->axisLabelRenderer->angle = -45;
    //$graph->xAxis->axisSpace = .8;
    $graph->legend->position = ezcGraph::BOTTOM;
    $graph->legend->background = '#FFFFFF80';
    $graph->driver = new ezcGraphGdDriver();
    //$graph->driver->options->supersampling = 1;
    $graph->driver->options->jpegQuality = 100;
    $graph->driver->options->imageFormat = IMG_JPEG;
    //	$graph->img->SetMargin( 40, 40, 40, 170 );
    //	if( ON == config_get_global( 'jpgraph_antialias' ) ) {
    //		$graph->img->SetAntiAliasing();
    //	}
    //	$graph->SetScale( 'linlin');
    //	$graph->yaxis->SetColor("red");
    //	$graph->SetY2Scale("lin");
    //	$graph->SetMarginColor( 'white' );
    //	$graph->SetFrame( false );
    $graph->title = plugin_lang_get('cumulative') . ' ' . lang_get('by_date');
    $graph->options->font = $t_graph_font;
    //	$graph->title->SetFont( $t_graph_font, FS_BOLD );
    /*	$graph->legend->Pos( 0.05, 0.9, 'right', 'bottom' );
    	$graph->legend->SetShadow( false );
    	$graph->legend->SetFillColor( 'white' );
    	$graph->legend->SetLayout( LEGEND_HOR );
    	$graph->legend->SetFont( $t_graph_font );
    
    	$graph->yaxis->scale->ticks->SetDirection( -1 );
    	$graph->yaxis->SetFont( $t_graph_font );
    	$graph->y2axis->SetFont( $t_graph_font );
    
    	if( FF_FONT2 <= $t_graph_font ) {
    		$graph->xaxis->SetLabelAngle( 60 );
    	} else {
    		$graph->xaxis->SetLabelAngle( 90 );
    
    		# can't rotate non truetype fonts
    	}
    	$graph->xaxis->SetLabelFormatCallback( 'graph_date_format' );
    	$graph->xaxis->SetFont( $t_graph_font );
    
    	$p1 = new LinePlot( $reported_plot, $plot_date );
    	$p1->SetColor( 'blue' );
    	$p1->SetCenter();
    	$graph->AddY2( $p1 );
    
    	$p3 = new LinePlot( $still_open_plot, $plot_date );
    	$p3->SetColor( 'red' );
    	$p3->SetCenter();
    	$p3->SetLegend(  );
    	$graph->Add( $p3 );
    
    	$p2 = new LinePlot( $resolved_plot, $plot_date );
    	$p2->SetColor( 'black' );
    	$p2->SetCenter();
    	$p2->SetLegend(  );
    	$graph->AddY2( $p2 );
    */
    /*	if( helper_show_queries() ) {
    		$graph->subtitle->Set( db_count_queries() . ' queries (' . db_time_queries() . 'sec)' );
    		$graph->subtitle->SetFont( $t_graph_font, FS_NORMAL, 8 );
    	}*/
    $graph->renderToOutput($p_graph_width, $p_graph_height);
}

 public function get_graph(array $args)
 {
     midgardmvc_core::get_instance()->authorization->require_user();
     $stat_types = array('bmi', 'weight', 'vo2max');
     $qb = new midgard_query_builder('fi_openkeidas_diary_stat');
     $qb->add_constraint('person', '=', midgardmvc_core::get_instance()->authentication->get_person()->id);
     $qb->add_constraint('stat', 'IN', $stat_types);
     $qb->add_order('date', 'ASC');
     $since = new midgard_datetime('6 months ago');
     $qb->add_constraint('date', '>', $since);
     $stats = $qb->execute();
     if (empty($stats)) {
         throw new midgardmvc_exception_notfound("No stats found");
     }
     $dates = array();
     foreach ($stats as $stat) {
         $date = $stat->date->format('d.m.Y');
         if (!isset($dates[$date])) {
             $dates[$date] = array();
         }
         $dates[$date][] = $stat;
     }
     $previous_value = array();
     $this->data['stats'] = array();
     foreach ($dates as $date => $stats) {
         foreach ($stats as $stat) {
             if (!isset($this->data['stats'][$stat->stat])) {
                 $this->data['stats'][$stat->stat] = array();
             }
             $value = round($stat->value, 1);
             $this->data['stats'][$stat->stat][$date] = $value;
             $previous_value[$stat->stat] = $value;
         }
         foreach ($stat_types as $stat_type) {
             if (!isset($this->data['stats'][$stat_type])) {
                 continue;
             }
             if (!isset($this->data['stats'][$stat_type][$date]) && isset($previous_value[$stat_type])) {
                 $this->data['stats'][$stat_type][$date] = $previous_value[$stat_type];
             }
         }
     }
     midgardmvc_core::get_instance()->component->load_library('Graph');
     $graph = new ezcGraphLineChart();
     foreach ($this->data['stats'] as $name => $stats) {
         $graph->data[$this->get_label($name)] = new ezcGraphArrayDataSet($stats);
         $graph->data[$this->get_label($name)]->symbol = ezcGraph::BULLET;
     }
     $graph->driver = new fi_openkeidas_diary_graph_gd();
     $graph->driver->options->imageFormat = IMG_PNG;
     $graph->options->font = midgardmvc_core::get_instance()->configuration->graph_font;
     $graph->legend->position = ezcGraph::BOTTOM;
     $graph->palette = new ezcGraphPaletteEz();
     // render image directly to screen
     $graph->renderToOutput(575, 200);
     // wrap up the request
     midgardmvc_core::get_instance()->dispatcher->end_request();
 }

//.........这里部分代码省略.........
     }
     if (!is_numeric($h) || $h <= 0 || $h > 960) {
         throw new CHttpException(403, 'Invalid parameter');
     }
     if (!is_numeric($period) || $period <= 0 || $period > 365) {
         throw new CHttpException(403, 'Invalid parameter');
     }
     // Get current project info
     $curProjectId = Yii::app()->user->getCurProjectId();
     $curVer = Yii::app()->user->getCurProjectVer();
     // Prepare data
     $dataAll = array();
     $dataOpen = array();
     $dataClosed = array();
     $dataFixed = array();
     $dataVerified = array();
     $tomorrow = mktime(0, 0, 0, date("m"), date("d") + 1, date("Y"));
     $finishDate = $tomorrow - 1;
     $curDate = $finishDate;
     $dateFrom = $curDate;
     while ($finishDate - $curDate < $period * 24 * 60 * 60) {
         // Calc the beginning of time interval
         if ($period > 30) {
             $dateFrom = mktime(0, 0, 0, date("m", $curDate) - 1, date("d", $curDate), date("Y", $curDate));
         } else {
             if ($period > 7) {
                 $dateFrom = mktime(0, 0, 0, date("m", $curDate), date("d", $curDate) - 6, date("Y", $curDate));
             } else {
                 $dateFrom = mktime(0, 0, 0, date("m", $curDate), date("d", $curDate), date("Y", $curDate));
             }
         }
         // Get bug changes within the period
         $criteria = new CDbCriteria();
         $criteria->compare('bug.project_id', $curProjectId, false, 'AND');
         if ($curVer != -1) {
             $criteria->compare('bug.appversion_id', $curVer, false, 'AND');
         }
         $criteria->addCondition('t.status_change_id IS NOT NULL', 'AND');
         $criteria->addCondition('t.timestamp <=' . $curDate, 'AND');
         $criteria->addCondition('t.id IN (SELECT MAX({{bug_change}}.id) FROM {{bug_change}} GROUP BY {{bug_change}}.bug_id)', 'AND');
         $criteria->with = array('bug', 'statuschange');
         $bugChanges = BugChange::model()->findAll($criteria);
         $countAll = 0;
         $countOpen = 0;
         $countClosed = 0;
         $countFixed = 0;
         $countVerified = 0;
         foreach ($bugChanges as $bugChange) {
             //print_r($bugChange->statuschange->status);
             if ($bugChange->statuschange->status < Bug::STATUS_OPEN_MAX) {
                 $countOpen++;
             } else {
                 if ($bugChange->statuschange->status > Bug::STATUS_OPEN_MAX) {
                     $countClosed++;
                 }
             }
             if ($bugChange->statuschange->status == Bug::STATUS_FIXED) {
                 $countFixed++;
             }
             if ($bugChange->statuschange->status == Bug::STATUS_VERIFIED) {
                 $countVerified++;
             }
         }
         // Add an item to data
         $key = $period > 30 ? date('M y', $curDate) : date('j M', $curDate);
         $dataAll = array($key => $countOpen + $countClosed) + $dataAll;
         $dataOpen = array($key => $countOpen) + $dataOpen;
         $dataClosed = array($key => $countClosed) + $dataClosed;
         $dataFixed = array($key => $countFixed) + $dataFixed;
         $dataVerified = array($key => $countVerified) + $dataVerified;
         // Next time interval
         $curDate = $dateFrom - 1;
     }
     /*var_dump($dataAll);
     		var_dump($dataOpen);
     		var_dump($dataClosed);
     		var_dump($dataFixed);
     		var_dump($dataVerified);
     		return;*/
     // Create graph
     $graph = new ezcGraphLineChart();
     $graph->palette = new ezcGraphPaletteEzBlue();
     $graph->palette->dataSetColor = array('#0000FF', '#FF0000', '#00FF00', '#000000');
     $graph->data['All'] = new ezcGraphArrayDataSet($dataAll);
     $graph->data['Open'] = new ezcGraphArrayDataSet($dataOpen);
     $graph->data['Fixed'] = new ezcGraphArrayDataSet($dataFixed);
     $graph->data['Verified'] = new ezcGraphArrayDataSet($dataVerified);
     $graph->yAxis->majorStep = 10;
     $graph->yAxis->minorStep = 1;
     $graph->xAxis->labelCount = 30;
     $graph->options->fillLines = 210;
     $graph->legend = true;
     $graph->legend->position = ezcGraph::BOTTOM;
     $graph->options->font->name = 'Tahoma';
     if ($file === null) {
         $graph->renderToOutput($w, $h);
     } else {
         $graph->render($w, $h, $file);
     }
 }

function draw_line_chart($WIDTH, $HEIGHT, $DATA, $CONFIG, $LEGEND, $FONT, $PALETTE = 'default')
{
    $palettename = return_palette_name($PALETTE);
    require dirname(__FILE__) . '/lib/ezc/Graph/mahara/palettes/' . $palettename . '.php';
    $graph = new ezcGraphLineChart();
    $paletteclass = generate_palette_class_name($palettename);
    $graph->palette = new $paletteclass();
    $graph->title = $CONFIG['title'];
    $graph->subtitle = 'Created: ' . $CONFIG['ctime'] . ', modified: ' . $CONFIG['mtime'];
    $graph->subtitle->position = ezcGraph::BOTTOM;
    $graph->legend = false;
    $graph->background->padding = 10;
    $graph->driver = new ezcGraphGdDriver();
    $graph->driver->options->imageFormat = IMG_PNG;
    switch ($FONT['type']) {
        case 'serif':
            $fontname = 'lib/ezc/Graph/mahara/fonts/LiberationSerif-Regular.ttf';
            break;
        case 'sans':
            $fontname = 'lib/ezc/Graph/mahara/fonts/LiberationSans-Regular.ttf';
            break;
    }
    $graph->options->font = $fontname;
    // IF $CONFIG['charttype'] == 'area' !!!
    $graph->options->fillLines = 128;
    // Alpha (0 <= Alpha <= 255)
    // Set the maximum font size for all chart elements
    $graph->options->font->maxFontSize = $FONT['size'];
    // Set the font size for the title independently to 14
    $graph->title->font->maxFontSize = $FONT['titlesize'];
    $graph->yAxis->min = 0;
    $graph->yAxis->max = 100;
    $graph->yAxis->majorStep = 20;
    $graph->yAxis->minorStep = 10;
    if ($CONFIG['type'] == 'percent') {
        $graph->yAxis->formatString = '%d%%';
    }
    $EZCDATA = array();
    foreach ($DATA as $value) {
        if ($CONFIG['type'] == 'percent') {
            $EZCDATA = array_merge($EZCDATA, array($value['key'] => $value['percent']));
        } else {
            $EZCDATA = array_merge($EZCDATA, array($value['key'] => $value['value']));
        }
    }
    $graph->data[$CONFIG['title']] = new ezcGraphArrayDataSet($EZCDATA);
    // IF $CONFIG['charttype'] == 'plotline' !!!, IF $CONFIG['charttype'] == 'line' than ezcGraph::NO_SYMBOL!
    $graph->data[$CONFIG['title']]->symbol = ezcGraph::BULLET;
    if (strtolower($CONFIG['chartspace']) == '3d') {
        $graph->renderer = new ezcGraphRenderer3d();
    }
    //$graph->renderer->options->barMargin = .2;
    $graph->renderer->options->barPadding = 0.2;
    /* Build the PNG file and send it to the web browser */
    $graph->renderToOutput($WIDTH, $HEIGHT);
}

function show_users_graph($x = 0, $y = 0)
{
    global $is_logged_in, $is_admin;
    if (!$is_admin) {
        show_header('graph', $is_logged_in);
        throw new Error("Bad Argument", "You can't view that graph type");
    }
    if (!$x) {
        $x = isset($_GET['x']) ? get('x') : 720;
    }
    if (!$y) {
        $y = isset($_GET['y']) ? get('y') : 500;
    }
    if (!isset($_GET['svg'])) {
        show_header('graph', $is_logged_in);
        echo "<div class='content_box'>\n" . "<h3>Users on the Exchange</h3>\n" . "<p>\n" . "<iframe src='?page=graph&type=users&x={$x}&y={$y}&svg' type='image/svg+xml' width='{$x}' height='{$y}' scrolling='no' frameborder='0'>\n" . "</iframe>\n" . "</p>\n" . "</div>\n";
        return;
    }
    $graph = new ezcGraphLineChart();
    $graph->palette = new customPalette();
    $graph->options->fillLines = 180;
    $graph->options->font->maxFontSize = 12;
    $graph->legend->position = ezcGraph::BOTTOM;
    $graph->xAxis = new ezcGraphChartElementDateAxis();
    $graph->xAxis->dateFormat = 'j M y';
    $graph->xAxis->interval = 60 * 60 * 24 * 7 * 4;
    $users = get_users_graph_data();
    $graph->data['Users'] = new ezcGraphArrayDataSet($users);
    $graph->renderToOutput($x, $y);
    exit;
    // we don't want the footer
}

                    $hlp['gesamt'][substr(trim($stsem), -4) - $i] = 0;
                }
                $keys[$i] = substr(trim($stsem), -4) - $i;
            }
        }
    }
    //'0'-er ergänzen
    for ($i = 0; $i < 5; $i++) {
        foreach (array_keys($hlp) as $jeder) {
            if (empty($hlp[$jeder][substr(trim($stsem), -4) - $i])) {
                $hlp[$jeder][substr(trim($stsem), -4) - $i] = '0';
                $keys[$i] = substr(trim($stsem), -4) - $i;
            }
        }
    }
}
//var_dump($hlp);
//die;
$graph->xAxis->axisLabelRenderer = new ezcGraphAxisRotatedLabelRenderer();
$graph->xAxis->axisLabelRenderer->angle = 0;
if (empty($keys)) {
    die('Keine Daten vorhanden');
}
asort($keys, SORT_NUMERIC);
foreach ($hlp as $status => $data) {
    reset($keys);
    ksort($data, SORT_NUMERIC);
    $graph->data[$status] = new ezcGraphArrayDataSet($data);
}
$graph->renderToOutput(500, 500);