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PHP5中文手册

DOMDocument->createElement()

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DOMDocument->createElement() — Create new element node

说明

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.

错误/异常

DOM_INVALID_CHARACTER_ERR

Raised if name contains an invalid character.

范例

Example#1 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>