Invisible wrote:
> I just learned PHP. I feel unclean...
And here's a small pointless toy I just developed...
<html>
<head>
<title>PHP Test #4 (Output)</title>
</head>
<body>
<h1>PHP Test #4 (Output)</h1>
<p>
<a href="Test4-In.html">Return to input form</a>
</p>
<h2>Input</h2>
<pre><?php echo htmlspecialchars($_POST['code']); ?></pre>
<p>Length: <?php echo strlen($_POST['code']); ?> characters.</p>
<h2>Frequency Table</h2>
<?php
$table = array();
$in = $_POST['code'];
for ($pos=0; $pos < strlen($in); $pos++)
{
$symbol = $in[$pos];
if (isset($table[$symbol])) $table[$symbol] = $table[$symbol] + 1;
else $table[$symbol] = 1;
}
?>
<table border="1">
<tr>
<th>Symbol</th>
<th>Count</th>
<th>Probability</th>
<th>Bits</th>
</tr>
<?php
foreach ($table as $symbol => $count)
{
echo '<tr><td align="center">‘<code>';
echo htmlspecialchars($symbol);
echo '</code>’</td><td align="right">';
echo $count;
echo '</td><td align="right">';
echo (int)($count / strlen($in) * 100);
echo '%</td><td align="right">';
echo abs(log($count / strlen($in)) / log(2));
echo '</td></tr>';
echo "\n";
}
?>
<tr>
<td align="center">Total</td>
<td align="right"><?php echo strlen($in); ?></td>
<td align="right">100%</td>
<td align="right">0</td>
</tr>
</table>
</body>
</html>
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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