php修改和增加xml结点属性

<?xml version="1.0" encoding="UTF-8" ?>

<clientSet>

<server url="192.168.0.180" port="1935" />

<rootPath value="" />

<homePath value="http://www.aaa.com" />

<helpPath value="help.html" />

<language value="en" />

<theme value="default" />

<visibleMarquee value = "true" />

<visibleWhitePaper value="true" />

<showMemberRoomForGuest value = "true" />

<emotions enabled="true" column="5" autoPlay="false">

<item name="Birthday" src="cartoon/movie/birthday.swf" thumb="cartoon/preview/birthday-small.swf" duration="15"/>

<item name="Boom" src="cartoon/movie/boom.swf" thumb="cartoon/preview/boom-small.swf" duration="6"/>

<item name="Bubble" src="cartoon/movie/bubble.swf" thumb="cartoon/preview/bubble-small.swf" duration="7.5"/>

<item name="Cry" src="cartoon/movie/cry.swf" thumb="cartoon/preview/cry-small.swf" duration="5.4"/>

<item name="Doggie" src="cartoon/movie/doggie.swf" thumb="cartoon/preview/doggie-small.swf" duration="13"/>

<item name="Greeting" src="cartoon/movie/greeting.swf" thumb="cartoon/preview/greeting-small.swf" duration="7.4"/>

<item name="Football" src="cartoon/movie/football.swf" thumb="cartoon/preview/football-small.swf" duration="2.2"/>

</emotions >

</clientSet>



<?

$dom=new DOMDocument('1.0');

$dom->load('x.xml');

$em=$dom->getElementsByTagName('emotions');

$em=$em->item(0);

$items=$em->getElementsByTagName('item');

foreach($items as $a){

foreach($a->attributes as $b){

if($b->nodeValue=='Birthday'){

$a->setAttribute('name','nBirthday');

}

}

}

$t=$dom->createElement('item');

$t->setAttribute('name','x');

$t->setAttribute('src','www.sohu.com');

$t->setAttribute('duration','duration');

$em->appendChild($t);

$dom->save('x.xml');

?>