function dump($show_attr = true, $deep = 0)
{
$lead = str_repeat(' ', $deep);
echo $lead . $this->tag;
if ($show_attr && count($this->attr) > 0) {
echo '(';
foreach ($this->attr as $k => $v) {
echo "[{$k}]=>\"" . $this->{$k} . '", ';
}
echo ')';
}
echo "\n";
if ($this->nodes) {
foreach ($this->nodes as $c) {
$c->dump($show_attr, $deep + 1);
}
}
}