Appends nodes after the last child node

# DOMDocumentFragment::append

(PHP 8)

DOMDocumentFragment::append — Appends nodes after the last child node

### 说明

public function DOMDocumentFragment::append(DOMNode|string `...$nodes`): void

Appends one or many `nodes` to the list of children after the last child node.

### 参数

`nodes`

  The nodes to append. Strings are automatically converted to text nodes.

### 返回值

没有返回值。

### 错误／异常

`DOM_HIERARCHY_REQUEST_ERR`
  Raised if this node is of a type that does not allow children of the type of one of the passed `nodes`, or if the node to put in is one of this node's ancestors or this node itself.
`DOM_WRONG_DOCUMENT_ERR`
  Raised if one of the passed `nodes` was created from a different document than the one that created this node.

### 更新日志

版本 | 说明
--- | ---
8.3.0 | Calling this method on a node without an owner document now works. Previously this threw a DOMException with code `DOM_HIERARCHY_REQUEST_ERR`.

### 示例

示例 #1 DOMDocumentFragment::append() example

Appends nodes in the fragment.

    <?php
    $doc = new DOMDocument;
    $fragment = $doc->createDocumentFragment();
    $fragment->appendChild($doc->createElement("hello"));

    $fragment->append("beautiful", $doc->createElement("world"));

    echo $doc->saveXML($fragment);
    ?>

以上示例会输出：

    <hello/>beautiful<world/>

### 参见

- DOMParentNode::append() - Appends nodes after the last child node
- DOMDocumentFragment::prepend() - Prepends nodes before the first child node

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