DOMDocument->createElement()

Create new element node ()

DOMDocument {
  DOMElement createElement(string name,
                           string value);

}

This function creates a new instance of class DOMElement. 本节点不会出现在文档中,除非是用例如 DOMNode->appendChild() 函数来将其插入。

参数

name

The tag name of the element.

value

The value of the element. By default, an empty element will be created. You can also set the value later with DOMElement->nodeValue.

返回值

Returns a new instance of class DOMElement or FALSE if an error occured.

异常

DOM_INVALID_CHARACTER_ERR

Raised if name contains an invalid character.

范例

例 464. Creating a new element and inserting it as root

<?php

$dom
= new DOMDocument('1.0', 'iso-8859-1');

$element = $dom->createElement('test', 'This is the root element!');

// We insert the new element as root (child of the document)
$dom->appendChild($element);

echo
$dom->saveXML();
?>

上例将输出:

<?xml version="1.0" encoding="iso-8859-1"?>
<test>This is the root element!</test>