session id in url

$editor = new CKEditor('/ckeditor/');

$editor->config['filebrowserBrowseUrl'] = '/ckfinder/ckfinder.html?'.SID;
$editor->config['filebrowserImageBrowseUrl'] = '/ckfinder/ckfinder.html?Type=Images&'.SID;
$editor->config['filebrowserFlashBrowseUrl'] = '/ckfinder/ckfinder.html?Type=Flash&'.SID;
$editor->config['filebrowserUploadUrl'] = '/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Files&'.SID;
$editor->config['filebrowserImageUploadUrl'] = '/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images&'.SID;
$editor->config['filebrowserFlashUploadUrl'] = '/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Flash&'.SID;

$editor->editor( $fieldName, $fieldValue );

$referrer = $_SERVER['HTTP_REFERER'];
$sid = array();
preg_match('/CUSTOMSESSID=([^&]*)/', $referrer, $sid);
session_name('CUSTOMSESSID');
session_id($sid[1]);
session_start();