Hier mal die Source:
[PHP]
<body>
<?php
error_reporting(E_ALL);

if (isset($_POST['script_name']))
{
$script_name = $_POST['script_name'];

if (isset($_POST['text']))
file_put_contents('http://meineadresse.com/'.$script_name.'.php');

?>
<form method="post" action="editor_pub.php" name="source_edit" id="formular">
<input type="hidden" name="script_name" value="<?php echo ($script_name); ?>">
<table>
<tr>
<td style="padding:2px"><strong><?php echo $script_name; ?>.php Inhalt:</strong></td>
</tr>
<tr>
<td style="padding:2px">
<textarea cols="140" rows="15" name="text"><?php echo file_get_contents('http://meineadresse.com/'.$script_name.'.php'); ?></textarea>
</td>
</tr>
<tr>
<td align="center" style="padding:2px">
<input name="submit" type="submit" id="speichern" value="Speichern" />
<input name="loeschen" type="reset" id="loeschen" value="Zur&uuml;cksetzen" /><br />
<a href="editor_pub.php"><input type=submit name=sbm value=Back></a>
<input name="sbm" type="submit" value="Close" onClick="self.close()" />
</td>
</tr>
</table>
</form>
<?php
}
else
{
?>
<div class="line">
<p><strong>Script-Editor Public-Directory:</strong></p>
</div>
<form action="editor_pub.php" method="post">
<table>
<tr>
<td style="padding:2px"><p>Bitte Script auswählen:</p></td>
</tr>
<tr>
<td style="padding:2px"><strong>Script-Name:</strong></td>
<td style="padding:2px"><select id="auswahl" name="script_name">
<option value="option1">Option1</option>
<option value="option2">Option2<option></select>
</td>
</tr>
<tr>
<td>
<input name="Submit" type="submit" value="Enter" />
<input name="sbm" type="submit" value="Close" onClick="self.close()" />
</td>
</tr>
</table>
</form>
<?
}
?>
</body>
[/CODE]

Es ist im Grunde 1:1 dasselbe Script wie vorher, nur dass ich eben nicht aufs "Scripts" Verzeichnis, sondern gleich direkt auf die Dateien in meinem /pub/ Ordern zugreife.