问题:

 

 

解答:

例子解答:

<?php
header('Content-type: application/xml');

$data_array = array(

    array(

    'title' => 'title1',

    'content' => 'content1',

        'pubdate' => '2009-10-11',

    ),

    array(

    'title' => 'title2',

    'content' => 'content2',

    'pubdate' => '2009-11-11',

    )

);



//  属性数组

$attribute_array = array(

    'title' => array(

    'size' => 1

    )

);



//  创建一个XML文档并设置XML版本和编码。。

$dom=new DomDocument('1.0', 'utf-8');



//  创建根节点

$article = $dom->createElement('article');

$dom->appendchild($article);



foreach ($data_array as $data) {

    $item = $dom->createElement('item');

    $article->appendchild($item);



    create_item($dom, $item, $data, $attribute_array);

}



echo $dom->saveXML();



function create_item($dom, $item, $data, $attribute) {

    if (is_array($data)) {

        foreach ($data as $key => $val) {

            //  创建元素

            $$key = $dom->createElement($key);

            $item->appendchild($$key);



            //  创建元素值

            $text = $dom->createTextNode($val);

            $$key->appendchild($text);



            if (isset($attribute[$key])) {

            //  如果此字段存在相关属性需要设置

                foreach ($attribute[$key] as $akey => $row) {

                    //  创建属性节点

                    $$akey = $dom->createAttribute($akey);

                    $$key->appendchild($$akey);



                    // 创建属性值节点

                    $aval = $dom->createTextNode($row);

                    $$akey->appendChild($aval);

                }

            }   //  end if

        }

    }   //  end if

}   //  end function

?>

 

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