Lightweight Graph Example Source Code

Lightweight Graph Example

Filename: lightweight-graph.htm

<html>

<head>
<title>Lightweight Graph Example</title>
<link rel="stylesheet" type="text/css" href="../styles.css" />
</head>

<body>

<h2>Lightweight Graph Example</h2>

<?php

// In practice this data would come from a database.
    $sales = array(
                      array("North Region",  45, "red"),
                      array("South Region",  29, "green"),
                      array("East Region",   15, "blue"),
                      array("West Region",   31, "black"),
                  );

// Find maximum sales.
    $sum = 0;
    foreach ($sales as $row)
    {
        $sum += $row[1]; 
    }    
?>

<?php
    foreach($sales as $row)
    {
        $percent = ($row[1] / $sum) * 100;
?>
    <tr>
        <td width="30%"><?php echo($row[0]); ?></td>
        <td width="10%"><?php echo($row[1]); ?></td>
        <td>
            <table width="<?php echo($percent); ?>%"
                   bgcolor="<?php echo($row[2]); ?>">
                <tr> <td> </td> </tr>
            </table>
        </td>
    </tr>
<?php
    }
?>
</table>

</body>
</html>