public function accept(NodeVisitorInterface $visitor)
{
// only accept visitors which implement NodeVisitor\Snip\VisitorInterface
if (!$visitor instanceof VisitorInterface) {
return;
}
if (false !== $visitor->enterPlaceholderValue($this)) {
// no need to visit content, because ApplyPlaceholderValue has visited
// if (false !== $visitor->enterPlaceholderValueContent($this)) {
// $this->visitContent($visitor);
// }
// $visitor->leavePlaceholderValueContent($this);
// sometimes this is needed , see example "snip in snip 2"
if (false !== $visitor->enterPlaceholderValueChilds($this)) {
$this->visitChilds($visitor);
}
$visitor->leavePlaceholderValueChilds($this);
}
$visitor->leavePlaceholderValue($this);
}
