« DOMNode::C14NFile DOMNode::getLineNo » PHP Manual DOMNode Clones a node DOMNode::cloneNode (PHP 5, PHP 7) DOMNode::cloneNode — Clones a node 说明 public DOMNode::cloneNode ([ bool $deep ] ) : DOMNode Creates a copy of the node. 参数 deep Indicates whether to copy all descendant nodes. This parameter is defaulted to FALSE. 返回值 The cloned node.