PHP图表生成库，PHPlot 5.8.0 发布

     <p><a href="/misc/goto?guid=4958323561219070566" target="_blank">PHPLOT </a>是一个用来创建图表的PHP图形类，需要 PHP5 的支持。PHPLot使用PHP的GD扩展来生成 PNG/GIF/JPEG 格式图片。</p>    <p>PHPlot 5.8.0 发布，该版本新增 streaming video 图表，更多关于 Label 格式化的控制，支持 PHPlot 对象的序列化，完善了文档。</p>    <p><img style="width:536px;height:357px;" alt="PHP图表生成库，PHPlot 5.8.0 发布" src="https://simg.open-open.com/show/cc4b895d52ae382cebce903b62811386.png" /></p>    <pre class="brush:php; toolbar: true; auto-links: false;">生成上面图形的代码如下：    # PHPlot Demo  # 2008-01-09 ljb  # For more information see http://sourceforge.net/projects/phplot/    # Load the PHPlot class library:  require_once 'phplot.php';    # Define the data array: Label, the 3 data sets.  # Year,  Features, Bugs, Happy Users:  $data = array(    array('2001',  60,  35,  20),    array('2002',  65,  30,  30),    array('2003',  70,  25,  40),    array('2004',  72,  20,  60),    array('2005',  75,  15,  70),    array('2006',  77,  10,  80),    array('2007',  80,   5,  90),  );    # Create a PHPlot object which will make a 600x400 pixel image:  $p = new PHPlot(600, 400);    # Use TrueType fonts:  $p->SetDefaultTTFont('./arial.ttf');    # Set the main plot title:  $p->SetTitle('PHPlot Customer Satisfaction (estimated)');    # Select the data array representation and store the data:  $p->SetDataType('text-data');  $p->SetDataValues($data);    # Select the plot type - bar chart:  $p->SetPlotType('bars');    # Define the data range. PHPlot can do this automatically, but not as well.  $p->SetPlotAreaWorld(0, 0, 7, 100);    # Select an overall image background color and another color under the plot:  $p->SetBackgroundColor('#ffffcc');  $p->SetDrawPlotAreaBackground(True);  $p->SetPlotBgColor('#ffffff');    # Draw lines on all 4 sides of the plot:  $p->SetPlotBorderType('full');    # Set a 3 line legend, and position it in the upper left corner:  $p->SetLegend(array('Features', 'Bugs', 'Happy Users'));  $p->SetLegendWorld(0.1, 95);    # Turn data labels on, and all ticks and tick labels off:  $p->SetXDataLabelPos('plotdown');  $p->SetXTickPos('none');  $p->SetXTickLabelPos('none');  $p->SetYTickPos('none');  $p->SetYTickLabelPos('none');    # Generate and output the graph now:  $p->DrawGraph();</pre>    <p></p>