How to get text entered in fckeditor in php???

I am using FCKeditor in php.
My problem is how to get text entered in the fckeditor and stored it in a variable in php .

I am using the following code.
$oFCKeditor = new FCKeditor('description') ;
$oFCKeditor->BasePath = $sBasePath ;
$oFCKeditor->Value = '';
$oFCKeditor->Height = '100px';
$oFCKeditor->Create();
$var = stripslashes($_POST['description']);

Any one who can help me???