function toString($attributes = true, $recursive = true, $content_only = false)
{
if ($content_only) {
if (is_int($content_only)) {
--$content_only;
}
return $this->toString_content($attributes, $recursive, $content_only);
}
$s = '<!' . ($this->hidden ? '--' : '') . '[' . $this->condition . ']>';
if ($recursive) {
$s .= $this->toString_content($attributes);
}
$s .= '<![endif]' . ($this->hidden ? '--' : '') . '>';
return $s;
}