Ein einfaches Formular um schnell die entsprechende Hexadezimal-Kodierung
eines speziellen Zeichens zu ermitteln, sofern man sie nicht auswendig kennt.
<?php
$pl = '-';
$uc = '-';
$plain = '';
$encoded = '';
if (isset($_POST['SEND'])){
if( isset($_POST['UC']) ){
$pl = urldecode($_POST['UC']);
$encoded = get_magic_quotes_gpc() ?stripslashes($_POST['UC']):$_POST['UC'];
}
if( isset($_POST['PLAIN']) ){
$uc = urlencode($_POST['PLAIN']);
$plain = get_magic_quotes_gpc() ?stripslashes($_POST['PLAIN']):$_POST['PLAIN'];
}
}
echo <<< EOT
<form action="{$_SERVER['PHP_SELF']}" method="post">
<table>
<tr>
<th>URLENCODED</th>
<th>PLAIN</th>
</tr>
<tr>
<td><input type="text" name="UC" value="{$encoded}"></td>
<td><h1>$pl</h1></td>
</tr>
<tr>
<td><h1>$uc</h1></td>
<td><input type="text" name="PLAIN" value="{$plain}"></td>
</tr>
<tr>
<td><input type="hidden" name="SEND" value="true"><input type="submit"></td>
</tr>
</table>
</form>
EOT;
?>