Reformat source code: the library
[plcapi.git] / src / Request.php
index 7c93a22..7004b54 100644 (file)
@@ -7,12 +7,11 @@ use PhpXmlRpc\Helper\XMLParser;
 
 class Request
 {
-
     /// @todo: do these need to be public?
     public $payload;
     public $methodname;
-    public $params=array();
-    public $debug=0;
+    public $params = array();
+    public $debug = 0;
     public $content_type = 'text/xml';
 
     // holds data while parsing the response. NB: Not a full Response object
@@ -22,23 +21,19 @@ class Request
      * @param string $methodName the name of the method to invoke
      * @param array $params array of parameters to be passed to the method (xmlrpcval objects)
      */
-    function __construct($methodName, $params=array())
+    public function __construct($methodName, $params = array())
     {
         $this->methodname = $methodName;
-        foreach($params as $param)
-        {
+        foreach ($params as $param) {
             $this->addParam($param);
         }
     }
 
-    public function xml_header($charset_encoding='')
+    public function xml_header($charset_encoding = '')
     {
-        if ($charset_encoding != '')
-        {
+        if ($charset_encoding != '') {
             return "<?xml version=\"1.0\" encoding=\"$charset_encoding\" ?" . ">\n<methodCall>\n";
-        }
-        else
-        {
+        } else {
             return "<?xml version=\"1.0\"?" . ">\n<methodCall>\n";
         }
     }
@@ -49,7 +44,8 @@ class Request
     }
 
     /**
-     * Kept the old name even if class was renamed, for compatibility
+     * Kept the old name even if class was renamed, for compatibility.
+     *
      * @return string
      */
     private function kindOf()
@@ -57,80 +53,94 @@ class Request
         return 'msg';
     }
 
-    public function createPayload($charset_encoding='')
+    public function createPayload($charset_encoding = '')
     {
-        if ($charset_encoding != '')
+        if ($charset_encoding != '') {
             $this->content_type = 'text/xml; charset=' . $charset_encoding;
-        else
+        } else {
             $this->content_type = 'text/xml';
-        $this->payload=$this->xml_header($charset_encoding);
-        $this->payload.='<methodName>' . $this->methodname . "</methodName>\n";
-        $this->payload.="<params>\n";
-        foreach($this->params as $p)
-        {
-            $this->payload.="<param>\n" . $p->serialize($charset_encoding) .
-            "</param>\n";
         }
-        $this->payload.="</params>\n";
-        $this->payload.=$this->xml_footer();
+        $this->payload = $this->xml_header($charset_encoding);
+        $this->payload .= '<methodName>' . $this->methodname . "</methodName>\n";
+        $this->payload .= "<params>\n";
+        foreach ($this->params as $p) {
+            $this->payload .= "<param>\n" . $p->serialize($charset_encoding) .
+                "</param>\n";
+        }
+        $this->payload .= "</params>\n";
+        $this->payload .= $this->xml_footer();
     }
 
     /**
-     * Gets/sets the xmlrpc method to be invoked
+     * Gets/sets the xmlrpc method to be invoked.
+     *
      * @param string $meth the method to be set (leave empty not to set it)
+     *
      * @return string the method that will be invoked
      */
-    public function method($methodName='')
+    public function method($methodName = '')
     {
-        if($methodName!='')
-        {
-            $this->methodname=$methodName;
+        if ($methodName != '') {
+            $this->methodname = $methodName;
         }
+
         return $this->methodname;
     }
 
     /**
-     * Returns xml representation of the message. XML prologue included
+     * Returns xml representation of the message. XML prologue included.
+     *
      * @param string $charset_encoding
+     *
      * @return string the xml representation of the message, xml prologue included
      */
-    public function serialize($charset_encoding='')
+    public function serialize($charset_encoding = '')
     {
         $this->createPayload($charset_encoding);
+
         return $this->payload;
     }
 
     /**
-     * Add a parameter to the list of parameters to be used upon method invocation
+     * Add a parameter to the list of parameters to be used upon method invocation.
+     *
      * @param Value $par
+     *
      * @return boolean false on failure
      */
     public function addParam($param)
     {
         // add check: do not add to self params which are not xmlrpcvals
-        if(is_object($param) && is_a($param, 'PhpXmlRpc\Value'))
-        {
-            $this->params[]=$param;
+        if (is_object($param) && is_a($param, 'PhpXmlRpc\Value')) {
+            $this->params[] = $param;
+
             return true;
-        }
-        else
-        {
+        } else {
             return false;
         }
     }
 
     /**
      * Returns the nth parameter in the request. The index zero-based.
+     *
      * @param integer $i the index of the parameter to fetch (zero based)
+     *
      * @return Value the i-th parameter
      */
-    public function getParam($i) { return $this->params[$i]; }
+    public function getParam($i)
+    {
+        return $this->params[$i];
+    }
 
     /**
      * Returns the number of parameters in the messge.
+     *
      * @return integer the number of parameters currently set
      */
-    public function getNumParams() { return count($this->params); }
+    public function getNumParams()
+    {
+        return count($this->params);
+    }
 
     /**
      * Given an open file handle, read all data available and parse it as axmlrpc response.
@@ -140,16 +150,18 @@ class Request
      *      But since checking for feof(null) returns false, we would risk an
      *      infinite loop in that case, because we cannot trust the caller
      *      to give us a valid pointer to an open file...
+     *
      * @param resource $fp stream pointer
+     *
      * @return Response
+     *
      * @todo add 2nd & 3rd param to be passed to ParseResponse() ???
      */
     public function parseResponseFile($fp)
     {
-        $ipd='';
-        while($data=fread($fp, 32768))
-        {
-            $ipd.=$data;
+        $ipd = '';
+        while ($data = fread($fp, 32768)) {
+            $ipd .= $data;
         }
         //fclose($fp);
         return $this->parseResponse($ipd);
@@ -157,86 +169,72 @@ class Request
 
     /**
      * Parses HTTP headers and separates them from data.
+     *
      * @return null|Response null on success, or a Response on error
      */
-    private function parseResponseHeaders(&$data, $headers_processed=false)
+    private function parseResponseHeaders(&$data, $headers_processed = false)
     {
         $this->httpResponse['headers'] = array();
         $this->httpResponse['cookies'] = array();
 
         // Support "web-proxy-tunelling" connections for https through proxies
-        if(preg_match('/^HTTP\/1\.[0-1] 200 Connection established/', $data))
-        {
+        if (preg_match('/^HTTP\/1\.[0-1] 200 Connection established/', $data)) {
             // Look for CR/LF or simple LF as line separator,
             // (even though it is not valid http)
-            $pos = strpos($data,"\r\n\r\n");
-            if($pos || is_int($pos))
-            {
-                $bd = $pos+4;
-            }
-            else
-            {
-                $pos = strpos($data,"\n\n");
-                if($pos || is_int($pos))
-                {
-                    $bd = $pos+2;
-                }
-                else
-                {
+            $pos = strpos($data, "\r\n\r\n");
+            if ($pos || is_int($pos)) {
+                $bd = $pos + 4;
+            } else {
+                $pos = strpos($data, "\n\n");
+                if ($pos || is_int($pos)) {
+                    $bd = $pos + 2;
+                } else {
                     // No separation between response headers and body: fault?
                     $bd = 0;
                 }
             }
-            if ($bd)
-            {
+            if ($bd) {
                 // this filters out all http headers from proxy.
                 // maybe we could take them into account, too?
                 $data = substr($data, $bd);
-            }
-            else
-            {
-                error_log('XML-RPC: '.__METHOD__.': HTTPS via proxy error, tunnel connection possibly failed');
-                $r=new Response(0, PhpXmlRpc::$xmlrpcerr['http_error'], PhpXmlRpc::$xmlrpcstr['http_error']. ' (HTTPS via proxy error, tunnel connection possibly failed)');
+            } else {
+                error_log('XML-RPC: ' . __METHOD__ . ': HTTPS via proxy error, tunnel connection possibly failed');
+                $r = new Response(0, PhpXmlRpc::$xmlrpcerr['http_error'], PhpXmlRpc::$xmlrpcstr['http_error'] . ' (HTTPS via proxy error, tunnel connection possibly failed)');
+
                 return $r;
             }
         }
 
         // Strip HTTP 1.1 100 Continue header if present
-        while(preg_match('/^HTTP\/1\.1 1[0-9]{2} /', $data))
-        {
+        while (preg_match('/^HTTP\/1\.1 1[0-9]{2} /', $data)) {
             $pos = strpos($data, 'HTTP', 12);
             // server sent a Continue header without any (valid) content following...
             // give the client a chance to know it
-            if(!$pos && !is_int($pos)) // works fine in php 3, 4 and 5
-            {
+            if (!$pos && !is_int($pos)) {
+                // works fine in php 3, 4 and 5
+
                 break;
             }
             $data = substr($data, $pos);
         }
-        if(!preg_match('/^HTTP\/[0-9.]+ 200 /', $data))
-        {
-            $errstr= substr($data, 0, strpos($data, "\n")-1);
-            error_log('XML-RPC: '.__METHOD__.': HTTP error, got response: ' .$errstr);
-            $r=new Response(0, PhpXmlRpc::$xmlrpcerr['http_error'], PhpXmlRpc::$xmlrpcstr['http_error']. ' (' . $errstr . ')');
+        if (!preg_match('/^HTTP\/[0-9.]+ 200 /', $data)) {
+            $errstr = substr($data, 0, strpos($data, "\n") - 1);
+            error_log('XML-RPC: ' . __METHOD__ . ': HTTP error, got response: ' . $errstr);
+            $r = new Response(0, PhpXmlRpc::$xmlrpcerr['http_error'], PhpXmlRpc::$xmlrpcstr['http_error'] . ' (' . $errstr . ')');
+
             return $r;
         }
 
         // be tolerant to usage of \n instead of \r\n to separate headers and data
         // (even though it is not valid http)
-        $pos = strpos($data,"\r\n\r\n");
-        if($pos || is_int($pos))
-        {
-            $bd = $pos+4;
-        }
-        else
-        {
-            $pos = strpos($data,"\n\n");
-            if($pos || is_int($pos))
-            {
-                $bd = $pos+2;
-            }
-            else
-            {
+        $pos = strpos($data, "\r\n\r\n");
+        if ($pos || is_int($pos)) {
+            $bd = $pos + 4;
+        } else {
+            $pos = strpos($data, "\n\n");
+            if ($pos || is_int($pos)) {
+                $bd = $pos + 2;
+            } else {
                 // No separation between response headers and body: fault?
                 // we could take some action here instead of going on...
                 $bd = 0;
@@ -244,70 +242,55 @@ class Request
         }
         // be tolerant to line endings, and extra empty lines
         $ar = preg_split("/\r?\n/", trim(substr($data, 0, $pos)));
-        while(list(,$line) = @each($ar))
-        {
+        while (list(, $line) = @each($ar)) {
             // take care of multi-line headers and cookies
-            $arr = explode(':',$line,2);
-            if(count($arr) > 1)
-            {
+            $arr = explode(':', $line, 2);
+            if (count($arr) > 1) {
                 $header_name = strtolower(trim($arr[0]));
                 /// @todo some other headers (the ones that allow a CSV list of values)
                 /// do allow many values to be passed using multiple header lines.
                 /// We should add content to $xmlrpc->_xh['headers'][$header_name]
                 /// instead of replacing it for those...
-                if ($header_name == 'set-cookie' || $header_name == 'set-cookie2')
-                {
-                    if ($header_name == 'set-cookie2')
-                    {
+                if ($header_name == 'set-cookie' || $header_name == 'set-cookie2') {
+                    if ($header_name == 'set-cookie2') {
                         // version 2 cookies:
                         // there could be many cookies on one line, comma separated
                         $cookies = explode(',', $arr[1]);
-                    }
-                    else
-                    {
+                    } else {
                         $cookies = array($arr[1]);
                     }
-                    foreach ($cookies as $cookie)
-                    {
+                    foreach ($cookies as $cookie) {
                         // glue together all received cookies, using a comma to separate them
                         // (same as php does with getallheaders())
-                        if (isset($this->httpResponse['headers'][$header_name]))
+                        if (isset($this->httpResponse['headers'][$header_name])) {
                             $this->httpResponse['headers'][$header_name] .= ', ' . trim($cookie);
-                        else
+                        } else {
                             $this->httpResponse['headers'][$header_name] = trim($cookie);
+                        }
                         // parse cookie attributes, in case user wants to correctly honour them
                         // feature creep: only allow rfc-compliant cookie attributes?
                         // @todo support for server sending multiple time cookie with same name, but using different PATHs
                         $cookie = explode(';', $cookie);
-                        foreach ($cookie as $pos => $val)
-                        {
+                        foreach ($cookie as $pos => $val) {
                             $val = explode('=', $val, 2);
                             $tag = trim($val[0]);
                             $val = trim(@$val[1]);
                             /// @todo with version 1 cookies, we should strip leading and trailing " chars
-                            if ($pos == 0)
-                            {
+                            if ($pos == 0) {
                                 $cookiename = $tag;
                                 $this->httpResponse['cookies'][$tag] = array();
                                 $this->httpResponse['cookies'][$cookiename]['value'] = urldecode($val);
-                            }
-                            else
-                            {
-                                if ($tag != 'value')
-                                {
+                            } else {
+                                if ($tag != 'value') {
                                     $this->httpResponse['cookies'][$cookiename][$tag] = $val;
                                 }
                             }
                         }
                     }
-                }
-                else
-                {
+                } else {
                     $this->httpResponse['headers'][$header_name] = trim($arr[1]);
                 }
-            }
-            elseif(isset($header_name))
-            {
+            } elseif (isset($header_name)) {
                 /// @todo version1 cookies might span multiple lines, thus breaking the parsing above
                 $this->httpResponse['headers'][$header_name] .= ' ' . trim($line);
             }
@@ -316,15 +299,12 @@ class Request
         $data = substr($data, $bd);
 
         /// @todo when in CLI mode, do not html-encode the output
-        if($this->debug && count($this->httpResponse['headers']))
-        {
+        if ($this->debug && count($this->httpResponse['headers'])) {
             print "</PRE>\n";
-            foreach($this->httpResponse['headers'] as $header => $value)
-            {
+            foreach ($this->httpResponse['headers'] as $header => $value) {
                 print htmlentities("HEADER: $header: $value\n");
             }
-            foreach($this->httpResponse['cookies'] as $header => $value)
-            {
+            foreach ($this->httpResponse['cookies'] as $header => $value) {
                 print htmlentities("COOKIE: $header={$value['value']}\n");
             }
             print "</PRE>\n";
@@ -332,72 +312,65 @@ class Request
 
         // if CURL was used for the call, http headers have been processed,
         // and dechunking + reinflating have been carried out
-        if(!$headers_processed)
-        {
+        if (!$headers_processed) {
             // Decode chunked encoding sent by http 1.1 servers
-            if(isset($this->httpResponse['headers']['transfer-encoding']) && $this->httpResponse['headers']['transfer-encoding'] == 'chunked')
-            {
-                if(!$data = Http::decode_chunked($data))
-                {
-                    error_log('XML-RPC: '.__METHOD__.': errors occurred when trying to rebuild the chunked data received from server');
+            if (isset($this->httpResponse['headers']['transfer-encoding']) && $this->httpResponse['headers']['transfer-encoding'] == 'chunked') {
+                if (!$data = Http::decode_chunked($data)) {
+                    error_log('XML-RPC: ' . __METHOD__ . ': errors occurred when trying to rebuild the chunked data received from server');
                     $r = new Response(0, PhpXmlRpc::$xmlrpcerr['dechunk_fail'], PhpXmlRpc::$xmlrpcstr['dechunk_fail']);
+
                     return $r;
                 }
             }
 
             // Decode gzip-compressed stuff
             // code shamelessly inspired from nusoap library by Dietrich Ayala
-            if(isset($this->httpResponse['headers']['content-encoding']))
-            {
+            if (isset($this->httpResponse['headers']['content-encoding'])) {
                 $this->httpResponse['headers']['content-encoding'] = str_replace('x-', '', $this->httpResponse['headers']['content-encoding']);
-                if($this->httpResponse['headers']['content-encoding'] == 'deflate' || $this->httpResponse['headers']['content-encoding'] == 'gzip')
-                {
+                if ($this->httpResponse['headers']['content-encoding'] == 'deflate' || $this->httpResponse['headers']['content-encoding'] == 'gzip') {
                     // if decoding works, use it. else assume data wasn't gzencoded
-                    if(function_exists('gzinflate'))
-                    {
-                        if($this->httpResponse['headers']['content-encoding'] == 'deflate' && $degzdata = @gzuncompress($data))
-                        {
+                    if (function_exists('gzinflate')) {
+                        if ($this->httpResponse['headers']['content-encoding'] == 'deflate' && $degzdata = @gzuncompress($data)) {
                             $data = $degzdata;
-                            if($this->debug)
-                                print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
-                        }
-                        elseif($this->httpResponse['headers']['content-encoding'] == 'gzip' && $degzdata = @gzinflate(substr($data, 10)))
-                        {
+                            if ($this->debug) {
+                                print "<PRE>---INFLATED RESPONSE---[" . strlen($data) . " chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
+                            }
+                        } elseif ($this->httpResponse['headers']['content-encoding'] == 'gzip' && $degzdata = @gzinflate(substr($data, 10))) {
                             $data = $degzdata;
-                            if($this->debug)
-                                print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
-                        }
-                        else
-                        {
-                            error_log('XML-RPC: '.__METHOD__.': errors occurred when trying to decode the deflated data received from server');
+                            if ($this->debug) {
+                                print "<PRE>---INFLATED RESPONSE---[" . strlen($data) . " chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
+                            }
+                        } else {
+                            error_log('XML-RPC: ' . __METHOD__ . ': errors occurred when trying to decode the deflated data received from server');
                             $r = new Response(0, PhpXmlRpc::$xmlrpcerr['decompress_fail'], PhpXmlRpc::$xmlrpcstr['decompress_fail']);
+
                             return $r;
                         }
-                    }
-                    else
-                    {
-                        error_log('XML-RPC: '.__METHOD__.': the server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
+                    } else {
+                        error_log('XML-RPC: ' . __METHOD__ . ': the server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
                         $r = new Response(0, PhpXmlRpc::$xmlrpcerr['cannot_decompress'], PhpXmlRpc::$xmlrpcstr['cannot_decompress']);
+
                         return $r;
                     }
                 }
             }
         } // end of 'if needed, de-chunk, re-inflate response'
 
-        return null;
+        return;
     }
 
     /**
      * Parse the xmlrpc response contained in the string $data and return a Response object.
+     *
      * @param string $data the xmlrpc response, eventually including http headers
      * @param bool $headers_processed when true prevents parsing HTTP headers for interpretation of content-encoding and consequent decoding
      * @param string $return_type decides return type, i.e. content of response->value(). Either 'xmlrpcvals', 'xml' or 'phpvals'
+     *
      * @return Response
      */
-    public function parseResponse($data='', $headers_processed=false, $return_type='xmlrpcvals')
+    public function parseResponse($data = '', $headers_processed = false, $return_type = 'xmlrpcvals')
     {
-        if($this->debug)
-        {
+        if ($this->debug) {
             // by maHo, replaced htmlspecialchars with htmlentities
             print "<PRE>---GOT---\n" . htmlentities($data) . "\n---END---\n</PRE>";
         }
@@ -407,35 +380,32 @@ class Request
         $this->httpResponse['headers'] = array();
         $this->httpResponse['cookies'] = array();
 
-        if($data == '')
-        {
-            error_log('XML-RPC: '.__METHOD__.': no response received from server.');
+        if ($data == '') {
+            error_log('XML-RPC: ' . __METHOD__ . ': no response received from server.');
             $r = new Response(0, PhpXmlRpc::$xmlrpcerr['no_data'], PhpXmlRpc::$xmlrpcstr['no_data']);
+
             return $r;
         }
 
         // parse the HTTP headers of the response, if present, and separate them from data
-        if(substr($data, 0, 4) == 'HTTP')
-        {
+        if (substr($data, 0, 4) == 'HTTP') {
             $r = $this->parseResponseHeaders($data, $headers_processed);
-            if ($r)
-            {
+            if ($r) {
                 // failed processing of HTTP response headers
                 // save into response obj the full payload received, for debugging
                 $r->raw_data = $data;
+
                 return $r;
             }
         }
 
-        if($this->debug)
-        {
+        if ($this->debug) {
             $start = strpos($data, '<!-- SERVER DEBUG INFO (BASE64 ENCODED):');
-            if ($start)
-            {
+            if ($start) {
                 $start += strlen('<!-- SERVER DEBUG INFO (BASE64 ENCODED):');
                 $end = strpos($data, '-->', $start);
-                $comments = substr($data, $start, $end-$start);
-                print "<PRE>---SERVER DEBUG INFO (DECODED) ---\n\t".htmlentities(str_replace("\n", "\n\t", base64_decode($comments)))."\n---END---\n</PRE>";
+                $comments = substr($data, $start, $end - $start);
+                print "<PRE>---SERVER DEBUG INFO (DECODED) ---\n\t" . htmlentities(str_replace("\n", "\n\t", base64_decode($comments))) . "\n---END---\n</PRE>";
             }
         }
 
@@ -447,18 +417,17 @@ class Request
         // be tolerant of junk after methodResponse (e.g. javascript ads automatically inserted by free hosts)
         // idea from Luca Mariano <luca.mariano@email.it> originally in PEARified version of the lib
         $pos = strrpos($data, '</methodResponse>');
-        if($pos !== false)
-        {
-            $data = substr($data, 0, $pos+17);
+        if ($pos !== false) {
+            $data = substr($data, 0, $pos + 17);
         }
 
         // if user wants back raw xml, give it to him
-        if ($return_type == 'xml')
-        {
+        if ($return_type == 'xml') {
             $r = new Response($data, 0, '', 'xml');
             $r->hdrs = $this->httpResponse['headers'];
             $r->_cookies = $this->httpResponse['cookies'];
             $r->raw_data = $this->httpResponse['raw_data'];
+
             return $r;
         }
 
@@ -467,12 +436,12 @@ class Request
 
         // if response charset encoding is not known / supported, try to use
         // the default encoding and parse the xml anyway, but log a warning...
-        if (!in_array($resp_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
-        // the following code might be better for mb_string enabled installs, but
-        // makes the lib about 200% slower...
-        //if (!is_valid_charset($resp_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
-        {
-            error_log('XML-RPC: '.__METHOD__.': invalid charset encoding of received response: '.$resp_encoding);
+        if (!in_array($resp_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII'))) {
+            // the following code might be better for mb_string enabled installs, but
+            // makes the lib about 200% slower...
+            //if (!is_valid_charset($resp_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
+
+            error_log('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of received response: ' . $resp_encoding);
             $resp_encoding = PhpXmlRpc::$xmlrpc_defencoding;
         }
         $parser = xml_parser_create($resp_encoding);
@@ -483,24 +452,18 @@ class Request
         // we use the broadest one, ie. utf8
         // This allows to send data which is native in various charset,
         // by extending xmlrpc_encode_entities() and setting xmlrpc_internalencoding
-        if (!in_array(PhpXmlRpc::$xmlrpc_internalencoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
-        {
+        if (!in_array(PhpXmlRpc::$xmlrpc_internalencoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII'))) {
             xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
-        }
-        else
-        {
+        } else {
             xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, PhpXmlRpc::$xmlrpc_internalencoding);
         }
 
         $xmlRpcParser = new XMLParser();
         xml_set_object($parser, $xmlRpcParser);
 
-        if ($return_type == 'phpvals')
-        {
+        if ($return_type == 'phpvals') {
             xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee_fast');
-        }
-        else
-        {
+        } else {
             xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
         }
 
@@ -508,57 +471,47 @@ class Request
         xml_set_default_handler($parser, 'xmlrpc_dh');
 
         // first error check: xml not well formed
-        if(!xml_parse($parser, $data, count($data)))
-        {
+        if (!xml_parse($parser, $data, count($data))) {
             // thanks to Peter Kocks <peter.kocks@baygate.com>
-            if((xml_get_current_line_number($parser)) == 1)
-            {
+            if ((xml_get_current_line_number($parser)) == 1) {
                 $errstr = 'XML error at line 1, check URL';
-            }
-            else
-            {
+            } else {
                 $errstr = sprintf('XML error: %s at line %d, column %d',
                     xml_error_string(xml_get_error_code($parser)),
                     xml_get_current_line_number($parser), xml_get_current_column_number($parser));
             }
             error_log($errstr);
-            $r=new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'], PhpXmlRpc::$xmlrpcstr['invalid_return'].' ('.$errstr.')');
+            $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'], PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' (' . $errstr . ')');
             xml_parser_free($parser);
-            if($this->debug)
-            {
+            if ($this->debug) {
                 print $errstr;
             }
             $r->hdrs = $this->httpResponse['headers'];
             $r->_cookies = $this->httpResponse['cookies'];
             $r->raw_data = $this->httpResponse['raw_data'];
+
             return $r;
         }
         xml_parser_free($parser);
         // second error check: xml well formed but not xml-rpc compliant
-        if ($xmlRpcParser->_xh['isf'] > 1)
-        {
-            if ($this->debug)
-            {
+        if ($xmlRpcParser->_xh['isf'] > 1) {
+            if ($this->debug) {
                 /// @todo echo something for user?
             }
 
             $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'],
-            PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' ' . $xmlRpcParser->_xh['isf_reason']);
+                PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' ' . $xmlRpcParser->_xh['isf_reason']);
         }
         // third error check: parsing of the response has somehow gone boink.
         // NB: shall we omit this check, since we trust the parsing code?
-        elseif ($return_type == 'xmlrpcvals' && !is_object($xmlRpcParser->_xh['value']))
-        {
+        elseif ($return_type == 'xmlrpcvals' && !is_object($xmlRpcParser->_xh['value'])) {
             // something odd has happened
             // and it's time to generate a client side error
             // indicating something odd went on
-            $r=new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'],
+            $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'],
                 PhpXmlRpc::$xmlrpcstr['invalid_return']);
-        }
-        else
-        {
-            if ($this->debug)
-            {
+        } else {
+            if ($this->debug) {
                 print "<PRE>---PARSED---\n";
                 // somehow htmlentities chokes on var_export, and some full html string...
                 //print htmlentitites(var_export($xmlRpcParser->_xh['value'], true));
@@ -567,42 +520,36 @@ class Request
             }
 
             // note that using =& will raise an error if $xmlRpcParser->_xh['st'] does not generate an object.
-            $v =$xmlRpcParser->_xh['value'];
+            $v = &$xmlRpcParser->_xh['value'];
 
-            if($xmlRpcParser->_xh['isf'])
-            {
+            if ($xmlRpcParser->_xh['isf']) {
                 /// @todo we should test here if server sent an int and a string,
                 /// and/or coerce them into such...
-                if ($return_type == 'xmlrpcvals')
-                {
+                if ($return_type == 'xmlrpcvals') {
                     $errno_v = $v->structmem('faultCode');
                     $errstr_v = $v->structmem('faultString');
                     $errno = $errno_v->scalarval();
                     $errstr = $errstr_v->scalarval();
-                }
-                else
-                {
+                } else {
                     $errno = $v['faultCode'];
                     $errstr = $v['faultString'];
                 }
 
-                if($errno == 0)
-                {
+                if ($errno == 0) {
                     // FAULT returned, errno needs to reflect that
                     $errno = -1;
                 }
 
                 $r = new Response(0, $errno, $errstr);
-            }
-            else
-            {
-                $r=new Response($v, 0, '', $return_type);
+            } else {
+                $r = new Response($v, 0, '', $return_type);
             }
         }
 
         $r->hdrs = $this->httpResponse['headers'];
         $r->_cookies = $this->httpResponse['cookies'];
-        $r->raw_data = $this->httpResponse['raw_data'];;
+        $r->raw_data = $this->httpResponse['raw_data'];
+
         return $r;
     }
 }