html[] = '';
}
public function endIteration()
{
$this->html[] = '
';
}
public function beginChildren()
{
$this->html[] = '';
}
public function endChildren()
{
$this->html[] = '
';
}
public function render($callback)
{
foreach ($this as $node) {
$this->html[] = $callback($node->getValue());
}
return implode("\n", $this->html);
}
}