xslt on Linux server

function: getForm establishes parameters: form[.xsl], [contactForm.xml] and array of parameters for xsl file

$param = 'contactform [form: action parameter]'

	public function getForm($param) {
		$paramArray = explode(' ',$param);
		if ($_POST['runon'] == 'end') {
			if (self::checkValid()) return "<p><strong>".self::sendMail()."</strong></p>\r";
			else return self::getXMLData('xmlData')->emailFail;
			}
		else {
			if (!$form = $_POST['runon']) $form = $paramArray[0];
			$code = self::keyCode();
			$postArray = array();
			if ($_POST) $postArray = $_POST['mail'];
			$postArray['destination'] = $paramArray[1].".php";
			$postArray['cipher'] = $code[0];
			$postArray['code'] = $code[1];
			$postArray['timestamp'] = time();
			}
		return self::xmlTransform('form',$form,$postArray);
		}

function: xmlTransform returns the output from xslt

	public function xmlTransform($xsl,$xml,$postArray) {
		$style = new DOMDocument;
		$style->load('data/'.$xsl.'.xsl');
		$source = new DOMDocument;
		$source->load('data/'.$xml.'.xml');
		$proc = new XSLTProcessor();
		$proc->registerPHPFunctions();
		$proc->importStylesheet($style);
		$transformData = array($proc,$source);
		foreach ($postArray as $key => $value) {
			$transformData[0]->setParameter('',$key,$value);
			}
		return $transformData[0]->transformToXML($transformData[1]);
		}

function: getMenu creates navigation menu for page using menu.xsl and menu.xml

	public function getMenu($param) {
		$postArray = array (
			'trunk' => $param,
			'status' => self::checkLogin('session'),
			'pageid' => PAGEID
			);
		return self::xmlTransform('menu','menu',$postArray);
		}

function: sendMail compiles emails from form submission

$_POST['form'] = xml filename prefix
$text = output from xslt on mail.xsl and contactForm.xml
$output replaces form: name fields with their values got from form submission

	public function sendMail() {
		$headers = "X-Mailer: PHP v".phpversion()."\r\n".
		"Content-Type: text/plain; charset=utf-8\r\n".
		"Return-Path: ".self::getXMLData('xmlData')->emailReturn."\r\n".
		"From: ".self::getXMLData('xmlData')->webmaster."\r\n".
		"Reply-to: ".self::getXMLData('xmlData')->webmaster."\r\n";

		$subject = self::cleanInput($_POST['subject'],40);
		$form = self::cleanInput($_POST['form'],40);
		$to = self::getXMLData('xmlData')->webmaster;
		$postArray = array ('subject' => $subject);
		$text = self::xmlTransform('mail',$form,$postArray);
		$output = preg_replace('/\|~(\w+)~\|/e','$_POST[$1]',$text);
		...