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<?php
namespace SDom\Node;
class DocType implements NodeInterface
{
protected $content;
public function __construct(string $content)
{
$this->content = $content;
}
public function __toString(): string
{
return '<!DOCTYPE ' . $this->content . '>';
}
public function __clone()
{
throw new \BadMethodCallException('Native cloning is not allowed, use clone() instead.');
}
public function parent(): ?NodeInterface
{
return null;
}
public function attach(NodeInterface $parent): NodeInterface
{
throw new \BadMethodCallException(sprintf(
'Node of type %s cannot be part of a hierarchy, invoking %s has no effect.',
get_class($this),
explode('::', __METHOD__)[1]
));
}
public function detach(): NodeInterface
{
throw new \BadMethodCallException(sprintf(
'Node of type %s cannot be part of a hierarchy, invoking %s has no effect.',
get_class($this),
explode('::', __METHOD__)[1]
));
}
public function clone(): NodeInterface
{
return new static($this->content);
}
}