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AppendChild

hphp/hack/manual/apis/Classes/DOMNode/appendChild.md

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:::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. :::

This functions appends a child to an existing list of children or creates a new list of children

Hack
public function appendChild<T as DOMNode>(
  DOMNode $newnode,
): T;

The child can be created with e.g. DOMDocument::createElement(), DOMDocument::createTextNode() etc. or simply by using any other node.

Parameters

  • DOMNode$newnode - The appended child.

Returns

  • mixed - - The node added.
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