Update functionMap for XSLTProcessor

as per
https://www.php.net/manual/en/xsltprocessor.getparameter.php
https://www.php.net/manual/en/xsltprocessor.transformtodoc.php
https://www.php.net/manual/en/xsltprocessor.transformtoxml.php

resources/functionMap.php

@@ -13210,7 +13210,7 @@
 'xslt_set_scheme_handler' => ['', 'xh'=>'', 'handlers'=>'array'],
 'xslt_set_scheme_handlers' => ['', 'xh'=>'', 'handlers'=>'array'],
 'xslt_setopt' => ['', 'processor'=>'', 'newmask'=>'int'],
-'XSLTProcessor::getParameter' => ['string', 'namespaceuri'=>'string', 'localname'=>'string'],
+'XSLTProcessor::getParameter' => ['string|false', 'namespaceuri'=>'string', 'localname'=>'string'],
 'XsltProcessor::getSecurityPrefs' => ['int'],
 'XSLTProcessor::hasExsltSupport' => ['bool'],
 'XSLTProcessor::importStylesheet' => ['bool', 'stylesheet'=>'object'],
@@ -13220,9 +13220,9 @@
 'XSLTProcessor::setParameter\'1' => ['bool', 'namespace'=>'string', 'options'=>'array'],
 'XSLTProcessor::setProfiling' => ['bool', 'filename'=>'string'],
 'XsltProcessor::setSecurityPrefs' => ['int', 'securityPrefs'=>'int'],
-'XSLTProcessor::transformToDoc' => ['DOMDocument', 'doc'=>'DOMNode'],
+'XSLTProcessor::transformToDoc' => ['DOMDocument|false', 'doc'=>'DOMNode'],
 'XSLTProcessor::transformToURI' => ['int', 'doc'=>'DOMDocument', 'uri'=>'string'],
-'XSLTProcessor::transformToXML' => ['string|false', 'doc'=>'DOMDocument|SimpleXMLElement'],
+'XSLTProcessor::transformToXML' => ['string|false|null', 'doc'=>'DOMDocument|SimpleXMLElement'],
 'Yaconf::get' => ['mixed', 'name'=>'string', 'default_value='=>'mixed'],
 'Yaconf::has' => ['bool', 'name'=>'string'],
 'Yaf_Action_Abstract::__construct' => ['void', 'request'=>'Yaf_Request_Abstract', 'response'=>'Yaf_Response_Abstract', 'view'=>'Yaf_View_Interface', 'invokeArgs='=>'?array'],