# DOMCdataSection::__construct

(PHP 5, PHP 7, PHP 8)

DOMCdataSection::__construct — Constructs a new DOMCdataSection object

### 说明

public DOMCdataSection::__construct(string `$data`)

Constructs a new CDATA node. This works like the DOMText class.

### 参数

`data`

  The value of the CDATA node. If not supplied, an empty CDATA node is created.

### 示例

示例 #1 Creating a new DOMCdataSection object

`<?php
$dom = new DOMDocument('1.0', 'utf-8');
$element = $dom->appendChild(new DOMElement('root'));
$text = $element->appendChild(new DOMCdataSection('root value'));
echo $dom->saveXML();
?>`

以上示例会输出：

    <?xml version="1.0" encoding="utf-8"?>
    <root><![CDATA[root value]]></root>

### 参见

- DOMText::__construct() - Creates a new DOMText object
- DOMDocument::createTextNode() - Create new text node

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