ダウンロードしたxmlファイルで「"」が「"」に自動で置換されてしまうので困っています。

☆xmlファイルをダウンロードさせるプログラム

$ne_lat = '36';

$ne_lng = '140';

$sw_lat = '35.8';

$sw_lng = '139.6';

$xml = simplexml_load_string(''.'<glorie version="1.0" model="Sony corporation:nav-u:v1.00"></glorie>');

/*

http://www.ibm.com/developerworks/jp/xml/library/x-googledata1/i... の中の

「ワークシートのデータを配列として取得する」(リスト 9)参照

*/

require_once 'Zend/Loader.php';

Zend_Loader::loadClass('Zend_Gdata_Spreadsheets');

Zend_Loader::loadClass('Zend_Gdata_ClientLogin');

// set credentials for ClientLogin authentication

$user = "****";

$pass = "****";

try {

// connect to API

$service = Zend_Gdata_Spreadsheets::AUTH_SERVICE_NAME;

$client = Zend_Gdata_ClientLogin::getHttpClient($user, $pass, $service);

$service = new Zend_Gdata_Spreadsheets($client);

// get spreadsheet entry

$ssEntry = $service->getSpreadsheetEntry('https://spreadsheets.google.com/feeds/spreadsheets/0Aojk_zIECowM...);

/*

get worksheets in this spreadsheet ワークシートが複数だと別の処理が必要か? ワークシートが１つなので動いている?

*/

$wsFeed = $ssEntry->getWorksheets();

} catch (Exception $e) {

die('ERROR: ' . $e->getMessage());

}

foreach($wsFeed as $wsEntry){

$rows = $wsEntry->getContentsAsRows();

/*

echo "

";

print_r($rows);

echo "";

*/

foreach ($rows as $data) {

if(($data['lat'] > $ne_lat or $data['lat'] < $sw_lat) or ($data['lon'] < $sw_lng or $data['lon'] > $ne_lng)){

continue;

}

/*

要素に子要素を追加 参照 http://webcache.googleusercontent.com/search?q=cache:roa-1yVHYQU...

*/

$format = $xml->addChild('format');

$datum = $format->addChild('datum','tokyo');

$unit = $format->addChild('unit','degree');

$time = $format->addChild('time','2009-05-05T12:00:00+09:00');

$gpoi = $xml->addChild('gpoi');

$poi = $gpoi->addChild('poi');

$point = $poi->addChild('point');

$pos = $point->addChild('pos');

//更に子要素を追加

$pos->addChild('lat', _h($data['lat']));

$pos->addChild('lon', _h($data['lon']));

$name = $poi->addChild('name');

//更に子要素を追加

$name->addChild('nb', _h($data['nb']));

$name->addChild('rt', _h($data['rt']));

$address = $gpoi->addChild('address');

$address->addChild('address-text', _h($data['address-text']));

$category = $gpoi->addChild('category', _h($data['category']));

$category->addAttribute('vendor','Sony:nav-u');

$linkfile = $gpoi->addChild('linkfile');

$image = $linkfile->addChild('image');

$image->addAttribute('href','');

$image ->addChild('comment', _h($data['comment']));

$multimedia = $linkfile->addChild('multimedia');

$multimedia->addChild('comment', _h($data['comment_2']));

${'activate-condition'} = $multimedia->addChild('activate-condition');

${'activate-radius'} = ${'activate-condition'}->addChild('activate-radius');

${'activate-radius'}->addChild('outmost', _h($data['outmost']));

${'activate-radius'}->addChild('inmost', _h($data['inmost']));

$multimedia->addAttribute('format', 'nav-u:sound" href="file://./nav_u_common/2" repeat="1');

}

}

$xml->asXML('test.xml');

header('Content-Type: application/octet-stream');

header('Content-Disposition: attachment; filename="test.xml"');

header('Content-Length: '.filesize('test.xml'));

readfile('test.xml');

/*

*エスケープ処理

* XMLの値の中に&が入ってるとエラーで落ちるので

*

* @param String

* @return String

*/

function _h($value)

{

return htmlspecialchars($value, ENT_QUOTES);

}

?>