CKeditor - Не ми взема стойността в <textarea>

<form>
 <textarea id="editor1" name="editor1" rows="80" cols="10">
text text text text

</textarea>
<script>
CKEDITOR.replace( 'editor1' );
</script>
</form>
<?
$data = $_POST['editor1'];
 $ret = file_put_contents('mydata.txt', $data, FILE_APPEND | LOCK_EX);
if($ret === false) {
die('There was an error writing this file');																					 }
else {
echo "$ret bytes written to file";
}
?>

encodeURIComponent(CKEDITOR.instances.id на textarea.getData())

<script>
CKEDITOR.replace(editor1)
function html()
{
var a = encodeURIComponent(CKEDITOR.instances.id.editor1.getData());
}
</script>
<? echo html(); ?>

echo html();

<form method="post">
<textarea id="editor1" name="editor1" rows="80" cols="10">
</textarea>
</form>

<script>
CKEDITOR.replace(editor1)
</script>
<?
if(isset($_POST['add1'])) {

	$d = date('d.m.Y');
	$id=$_GET['id'];
	$godina=$_GET['godina'];
	$proverka = mysql_query("SELECT * FROM `dogovor` WHERE `s_id`='$id' AND `godina`='$godina'")or(mysql_error()); //проверка да ли съществува
	
if ((mysql_num_rows($proverka)) > 0)
{
	echo "<script type="text/javascript">alert('Има вече издаден договор за стопанската $godina година')</script>"; 
}
else
{
	$sql=("INSERT INTO `*******` (`id`, `***`, `***`, `***`, `****`) VALUES (NULL, '$', '$', '$', '$')");
	$result = mysql_query($sql)or die(mysql_error()."<br />Грешка: ".__LINE__);
	
if($result == true){
echo '<meta http-equiv="refresh" content="0;url=informaciq.php?id='.$s_id.'&godina='.$godina.'">';
}
else {
echo "възникна грешка..";
}
}
}
?>