CloneNode

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Creates a copy of the node

public function cloneNode(
  bool $deep = false,
): this;

Parameters

• bool $deep = false - Indicates whether to copy all descendant nodes. This parameter is defaulted to FALSE.

Returns

• mixed - - The cloned node.