PHP 读取和编写 XML
本文主要介绍PHP 读取和编写 XML的方法,非常的简单实用,给需要的小伙伴们参考下吧
什么是 XML?
XML 是一种数据存储格式。它没有定义保存什么数据,也没有定义数据的格式。XML 只是定义了标记和这些标记的属性。格式良好的 XML 标记看起来像这样:
复制代码 代码如下:
DOM读取 XML
复制代码 代码如下:
$doc = new DOMDocument();
$doc->load( 'books.xml' );
$books = $doc->getElementsByTagName( "book" );
foreach( $books as $book )
{
$authors = $book->getElementsByTagName( "author" );
$author = $authors->item(0)->nodeValue;
$publishers = $book->getElementsByTagName( "publisher" );
$publisher = $publishers->item(0)->nodeValue;
$titles = $book->getElementsByTagName( "title" );
$title = $titles->item(0)->nodeValue;
echo "$title - $author - $publisher\n";
}
?>
用 DOM 编写 XML
复制代码 代码如下:
$books = array();
$books [] = array(
'title' => 'PHP Hacks',
'author' => 'Jack Herrington',
);
$doc = new DOMDocument(); //创建dom对象
$doc->formatOutput = true;
$r = $doc->createElement( "books" );//创建标签
$doc->appendChild( $r ); //将$r标签,加入到xml格式中。
foreach( $books as $book )
{
$b = $doc->createElement( "book" ); //创建标签
$author = $doc->createElement( "author" );
$author->appendChild($doc->createTextNode( $book['author'] )); //给标签添加内容
$b->appendChild( $author ); //将子标签 加入父标签
$r->appendChild( $b ); //加入父标签中!
}
echo $doc->saveXML();
?>
以上就是这2段读取和编写XML的DOM代码了,小伙伴们了解了没,有什么疑问可以给我留言
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