<?php
error_reporting(E_ALL);
if (isset($_REQUEST['before_field'])) {
if (ini_get('magic_quotes_gpc')) {
$text = stripslashes($_REQUEST['before_field']);
}
else {
$text = $_REQUEST['before_field'];
}
}
else {
$text = '';
}
?>
<html>
<head>
<title>Base64 Encode/Decode</title>
<style type="text/css">
.field { width:680px; height:100px; font-size:12px; }
</style>
</head>
<body>
<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="post">
<p><textarea name="before_field" class="field"><?php
echo ($text) ? htmlspecialchars($text) : "Input here.";
?></textarea></p>
<p><textarea name="after_field" class="field" readonly="readonly"><?php
if (isset($_REQUEST['mode'])) {
switch ($_REQUEST['mode']) {
case 'encode':
echo chunk_split(base64_encode($text));
break;
case 'decode':
echo base64_decode($text);
break;
default:
break;
}
}
?></textarea></p>
<p>Encode <input type="radio" name="mode" value="encode" checked="checked"></br>
Decode <input type="radio" name="mode" value="decode">
<input type="submit" />
</form>
</body>
</html>