FM/nixtape/api/xml.php

<?php
/* GNU FM -- a free network service for sharing your music listening habits

   Copyright (C) 2009 Free Software Foundation, Inc

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

class XML {

	public static function prettyXML($xml) {
		$dom = new DOMDocument('1.0');
		$dom->preserveWhitespace = false;
		$dom->loadXML($xml->asXML());
		$dom->formatOutput = true;
		return $dom->saveXML();
	}

	public static function error($status, $errcode, $errtext) {
		$xml = new SimpleXMLElement('<lfm></lfm>');
		$xml->addAttribute('status', $status);
		$error = $xml->addChild('error', $errtext);
		$error->addAttribute('code', $errcode);
		return $xml;
	}
}

function repamp($input) {
	$input = str_replace('&', '&amp;', $input);
	return $input;
}