NatLibFi / Skosmos

model/Vocabulary.php

Doc Comments +11 added lines, -2 removed lines

@@ -131,7 +131,7 @@ 
      * Get the localname of a concept in the vocabulary. If the URI is not
      * in the URI space of this vocabulary, return the full URI.
      *
-     * @param $uri string full URI of concept
+     * @param string $uri string full URI of concept
      * @return string local name of concept, or original full URI if the local name cannot be determined
      */
     public function getLocalName($uri)
@@ -303,6 +303,8 @@ 
 
     /**
      * Counts the statistics of the vocabulary.
+     * @param string $array
+     * @param string $group
      * @return Array containing the label counts
      */
     public function getStatistics($lang = '', $array=null, $group=null)
@@ -342,6 +344,7 @@ 
     /**
      * Gets the child relations of a concept and whether these children have more children.
      * @param string $uri
+     * @param string $lang
      */
     public function getConceptChildren($uri, $lang)
     {
@@ -450,6 +453,8 @@ 
     /**
      * Lists the concepts available in the concept group.
      * @param $clname
+     * @param string $glname
+     * @param string $clang
      * @return array
      */
     public function listConceptGroupContents($glname, $clang)
@@ -476,7 +481,7 @@ 
     /**
      * Returns the letters of the alphabet which have been used in this vocabulary.
      * The returned letters may also include specials such as '0-9' (digits) and '!*' (special characters).
-     * @param $clang content language
+     * @param string $clang content language
      * @return array array of letters
      */
     public function getAlphabet($clang)
@@ -511,6 +516,7 @@ 
      * Also the special tokens '0-9' (digits), '!*' (special characters) and '*'
      * (everything) are supported.
      * @param $letter letter (or special token) to search for
+     * @param string $clang
      */
     public function searchConceptsAlphabetical($letter, $limit = null, $offset = null, $clang = null)
     {
@@ -627,6 +633,9 @@ 
         return $this->getSparql()->queryChangeList($prop, $clang, $offset, $limit, $showDeprecated);
     }
 
+    /**
+     * @param string $lang
+     */
     public function getTitle($lang=null) {
       return $this->config->getTitle($lang);
     }

Spacing +5 added lines, -5 removed lines

@@ -104,7 +104,7 @@ 
             return $lname;
         }
         // already a full URI
-        return $this->getUriSpace() . $lname;
+        return $this->getUriSpace().$lname;
     }
 
     /**
@@ -175,7 +175,7 @@ 
                 foreach ($conceptscheme->allLiterals($prop, null) as $val) {
                     $prop = (substr($prop, 0, 5) == 'dc11:') ? str_replace('dc11:', 'dc:', $prop) : $prop;
                     if ($val->getValue() instanceof DateTime) {
-                        $val = Punic\Calendar::formatDate($val->getValue(), 'full', $lang) . ' ' . Punic\Calendar::format($val->getValue(), 'HH:mm:ss', $lang);
+                        $val = Punic\Calendar::formatDate($val->getValue(), 'full', $lang).' '.Punic\Calendar::format($val->getValue(), 'HH:mm:ss', $lang);
                     }
                     $ret[$prop][] = $val;
                 }
@@ -296,7 +296,7 @@ 
         }
         // don't know how to parse
         $rev = $parts[2];
-        $datestr = $parts[3] . ' ' . $parts[4];
+        $datestr = $parts[3].' '.$parts[4];
 
         return "$datestr (r$rev)";
     }
@@ -305,7 +305,7 @@ 
      * Counts the statistics of the vocabulary.
      * @return Array containing the label counts
      */
-    public function getStatistics($lang = '', $array=null, $group=null)
+    public function getStatistics($lang = '', $array = null, $group = null)
     {
         $sparql = $this->getSparql();
         // find the number of concepts
@@ -627,7 +627,7 @@ 
         return $this->getSparql()->queryChangeList($prop, $clang, $offset, $limit, $showDeprecated);
     }
 
-    public function getTitle($lang=null) {
+    public function getTitle($lang = null) {
       return $this->config->getTitle($lang);
     }
 

model/sparql/GenericSparql.php

Spacing +52 added lines, -52 removed lines

@@ -88,11 +88,11 @@ 
     protected function query($query) {
         $queryId = sprintf("%05d", rand(0, 99999));
         $logger = $this->model->getLogger();
-        $logger->info("[qid $queryId] SPARQL query:\n" . $this->generateQueryPrefixes($query) . "\n$query\n");
+        $logger->info("[qid $queryId] SPARQL query:\n".$this->generateQueryPrefixes($query)."\n$query\n");
         $starttime = microtime(true);
         $result = $this->client->query($query);
         $elapsed = intval(round((microtime(true) - $starttime) * 1000));
-        if(method_exists($result, 'numRows')) {
+        if (method_exists($result, 'numRows')) {
             $numRows = $result->numRows();
             $logger->info("[qid $queryId] result: $numRows rows returned in $elapsed ms");
         } else { // graph result
@@ -108,7 +108,7 @@ 
      * @param Vocabulary[]|null $vocabs
      * @return string
      */
-    protected function generateFromClause($vocabs=null) {
+    protected function generateFromClause($vocabs = null) {
         $clause = '';
         if (!$vocabs) {
             return $this->graph !== '?graph' && $this->graph !== NULL ? "FROM <$this->graph>" : '';
@@ -234,7 +234,7 @@ 
 
 	$quote_string = function($val) { return "'$val'"; };
 	$quoted_values = array_map($quote_string, $langs);
-	$langFilter = "FILTER(?lang IN (" . implode(',', $quoted_values) . "))";
+	$langFilter = "FILTER(?lang IN (".implode(',', $quoted_values)."))";
 
         $values = $this->formatValues('?type', $classes, 'uri');
         $valuesProp = $this->formatValues('?prop', $props, null);
@@ -671,9 +671,9 @@ 
                 $conceptscheme['title'] = $row->title->getValue();
             }
             // add dct:subject and their labels in the result
-            if(isset($row->domain) && isset($row->domainLabel)){
-                $conceptscheme['subject']['uri']=$row->domain->getURI();
-                $conceptscheme['subject']['prefLabel']=$row->domainLabel->getValue();
+            if (isset($row->domain) && isset($row->domainLabel)) {
+                $conceptscheme['subject']['uri'] = $row->domain->getURI();
+                $conceptscheme['subject']['prefLabel'] = $row->domainLabel->getValue();
             }
 
             $ret[$row->cs->getURI()] = $conceptscheme;
@@ -740,7 +740,7 @@ 
           $values[] = "<$graph>";
         }
         if (count($values)) {
-          return "FILTER (?graph IN (" . implode(',', $values) . "))";
+          return "FILTER (?graph IN (".implode(',', $values)."))";
         }
     }
 
@@ -751,16 +751,16 @@ 
      * @return string sparql query clauses
      */
     protected function formatLimitAndOffset($limit, $offset) {
-        $limit = ($limit) ? 'LIMIT ' . $limit : '';
-        $offset = ($offset) ? 'OFFSET ' . $offset : '';
+        $limit = ($limit) ? 'LIMIT '.$limit : '';
+        $offset = ($offset) ? 'OFFSET '.$offset : '';
         // eliminating whitespace and line changes when the conditions aren't needed.
         $limitandoffset = '';
         if ($limit && $offset) {
-            $limitandoffset = "\n" . $limit . "\n" . $offset;
+            $limitandoffset = "\n".$limit."\n".$offset;
         } elseif ($limit) {
-            $limitandoffset = "\n" . $limit;
+            $limitandoffset = "\n".$limit;
         } elseif ($offset) {
-            $limitandoffset = "\n" . $offset;
+            $limitandoffset = "\n".$offset;
         }
 
         return $limitandoffset;
@@ -912,14 +912,14 @@ 
         // if search language and UI/display language differ, must also consider case where there is no prefLabel in
         // the display language; in that case, should use the label with the same language as the matched label
         $labelcondFallback = ($searchLang != $lang) ?
-          "OPTIONAL { # in case previous OPTIONAL block gives no labels\n" .
+          "OPTIONAL { # in case previous OPTIONAL block gives no labels\n".
           "?s skos:prefLabel ?label . FILTER (LANGMATCHES(LANG(?label), LANG(?match))) }" : "";
 
         //  Including the labels if there is no query term given.
         if ($rawterm === '') {
           $labelClause = "?s skos:prefLabel ?label .";
-          $labelClause = ($lang) ? $labelClause . " FILTER (LANGMATCHES(LANG(?label), '$lang'))" : $labelClause . "";
-          return $labelClause . " BIND(?label AS ?match)";
+          $labelClause = ($lang) ? $labelClause." FILTER (LANGMATCHES(LANG(?label), '$lang'))" : $labelClause."";
+          return $labelClause." BIND(?label AS ?match)";
         }
 
         /*
@@ -991,20 +991,20 @@ 
         $schemecond = '';
         if (!empty($schemes)) {
             $conditions = array();
-            foreach($schemes as $scheme) {
+            foreach ($schemes as $scheme) {
                 $conditions[] = "{?s skos:inScheme <$scheme>}";
             }
-            $schemecond = '{'.implode(" UNION ",$conditions).'}';
+            $schemecond = '{'.implode(" UNION ", $conditions).'}';
         }
-        $filterDeprecated="";
+        $filterDeprecated = "";
         //show or hide deprecated concepts
-        if(!$showDeprecated){
-            $filterDeprecated="FILTER NOT EXISTS { ?s owl:deprecated true }";
+        if (!$showDeprecated) {
+            $filterDeprecated = "FILTER NOT EXISTS { ?s owl:deprecated true }";
         }
         // extra conditions for parent and group, if specified
-        $parentcond = ($params->getParentLimit()) ? "?s skos:broader+ <" . $params->getParentLimit() . "> ." : "";
-        $groupcond = ($params->getGroupLimit()) ? "<" . $params->getGroupLimit() . "> skos:member ?s ." : "";
-        $pgcond = $parentcond . $groupcond;
+        $parentcond = ($params->getParentLimit()) ? "?s skos:broader+ <".$params->getParentLimit()."> ." : "";
+        $groupcond = ($params->getGroupLimit()) ? "<".$params->getGroupLimit()."> skos:member ?s ." : "";
+        $pgcond = $parentcond.$groupcond;
 
         $orderextra = $this->isDefaultEndpoint() ? $this->graph : '';
 
@@ -1090,9 +1090,9 @@ 
             $hit['type'][] = $this->shortenUri($typeuri);
         }
 
-        if(!empty($fields)) {
+        if (!empty($fields)) {
             foreach ($fields as $prop) {
-                $propname = $prop . 's';
+                $propname = $prop.'s';
                 if (isset($row->$propname)) {
                     foreach (explode("\n", $row->$propname->getValue()) as $line) {
                         $rdata = str_getcsv($line, ',', '"', '"');
@@ -1107,7 +1107,7 @@ 
                             $propvals = $rdata[2];
                         }
 
-                        $hit['skos:' . $prop][] = $propvals;
+                        $hit['skos:'.$prop][] = $propvals;
                     }
                 }
             }
@@ -1183,7 +1183,7 @@ 
      * @return array query result object
      */
     public function queryConcepts($vocabs, $fields = null, $unique = false, $params, $showDeprecated = false) {
-        $query = $this->generateConceptSearchQuery($fields, $unique, $params,$showDeprecated);
+        $query = $this->generateConceptSearchQuery($fields, $unique, $params, $showDeprecated);
         $results = $this->query($query);
         return $this->transformConceptSearchResults($results, $vocabs, $fields);
     }
@@ -1238,10 +1238,10 @@ 
         $conditions = $this->formatFilterConditions($letter, $lang);
         $filtercondLabel = $conditions['filterpref'];
         $filtercondALabel = $conditions['filteralt'];
-        $qualifierClause = $qualifier ? "OPTIONAL { ?s <" . $qualifier->getURI() . "> ?qualifier }" : "";
-        $filterDeprecated="";
-        if(!$showDeprecated){
-            $filterDeprecated="FILTER NOT EXISTS { ?s owl:deprecated true }";
+        $qualifierClause = $qualifier ? "OPTIONAL { ?s <".$qualifier->getURI()."> ?qualifier }" : "";
+        $filterDeprecated = "";
+        if (!$showDeprecated) {
+            $filterDeprecated = "FILTER NOT EXISTS { ?s owl:deprecated true }";
         }
         $query = <<<EOQ
 SELECT DISTINCT ?s ?label ?alabel ?qualifier
@@ -1718,7 +1718,7 @@ 
                 if (!isset($row->label) || $row->label->getLang() === $lang) {
                     $ret[$row->object->getUri()] = $val;
                 } elseif ($row->label->getLang() === $fallbacklang) {
-                    $val['label'] .= ' (' . $row->label->getLang() . ')';
+                    $val['label'] .= ' ('.$row->label->getLang().')';
                     $ret[$row->object->getUri()] = $val;
                 }
             }
@@ -1814,10 +1814,10 @@ 
 
             $label = null;
             if (isset($row->label)) {
-                if ($row->label->getLang() == $lang || strpos($row->label->getLang(), $lang . "-") == 0) {
+                if ($row->label->getLang() == $lang || strpos($row->label->getLang(), $lang."-") == 0) {
                     $label = $row->label->getValue();
                 } else {
-                    $label = $row->label->getValue() . " (" . $row->label->getLang() . ")";
+                    $label = $row->label->getValue()." (".$row->label->getLang().")";
                 }
 
             }
@@ -1893,8 +1893,8 @@ 
         foreach ($result as $row) {
             if (isset($row->top) && isset($row->label)) {
                 $label = $row->label->getValue();
-                if ($row->label->getLang() && $row->label->getLang() !== $lang && strpos($row->label->getLang(), $lang . "-") !== 0) {
-                    $label .= ' (' . $row->label->getLang() . ')';
+                if ($row->label->getLang() && $row->label->getLang() !== $lang && strpos($row->label->getLang(), $lang."-") !== 0) {
+                    $label .= ' ('.$row->label->getLang().')';
                 }
                 $top = array('uri' => $row->top->getUri(), 'topConceptOf' => $row->topuri->getUri(), 'label' => $label, 'hasChildren' => filter_var($row->children->getValue(), FILTER_VALIDATE_BOOLEAN));
                 if (isset($row->notation)) {
@@ -1987,7 +1987,7 @@ 
                 $ret[$uri]['exact'] = $row->exact->getUri();
             }
             if (isset($row->tops)) {
-               $topConceptsList=explode(" ", $row->tops->getValue());
+               $topConceptsList = explode(" ", $row->tops->getValue());
                // sort to guarantee an alphabetical ordering of the URI
                sort($topConceptsList);
                $ret[$uri]['tops'] = $topConceptsList;
@@ -2000,8 +2000,8 @@ 
                 $label = null;
                 if (isset($row->childlabel)) {
                     $label = $row->childlabel->getValue();
-                    if ($row->childlabel->getLang() !== $lang && strpos($row->childlabel->getLang(), $lang . "-") !== 0) {
-                        $label .= " (" . $row->childlabel->getLang() . ")";
+                    if ($row->childlabel->getLang() !== $lang && strpos($row->childlabel->getLang(), $lang."-") !== 0) {
+                        $label .= " (".$row->childlabel->getLang().")";
                     }
 
                 }
@@ -2022,8 +2022,8 @@ 
             }
             if (isset($row->label)) {
                 $preflabel = $row->label->getValue();
-                if ($row->label->getLang() && $row->label->getLang() !== $lang && strpos($row->label->getLang(), $lang . "-") !== 0) {
-                    $preflabel .= ' (' . $row->label->getLang() . ')';
+                if ($row->label->getLang() && $row->label->getLang() !== $lang && strpos($row->label->getLang(), $lang."-") !== 0) {
+                    $preflabel .= ' ('.$row->label->getLang().')';
                 }
 
                 $ret[$uri]['prefLabel'] = $preflabel;
@@ -2144,9 +2144,9 @@ 
      */
     private function generateConceptGroupContentsQuery($groupClass, $group, $lang, $showDeprecated = false) {
         $fcl = $this->generateFromClause();
-        $filterDeprecated="";
-        if(!$showDeprecated){
-            $filterDeprecated="  FILTER NOT EXISTS { ?conc owl:deprecated true }";
+        $filterDeprecated = "";
+        if (!$showDeprecated) {
+            $filterDeprecated = "  FILTER NOT EXISTS { ?conc owl:deprecated true }";
         }
         $query = <<<EOQ
 SELECT ?conc ?super ?label ?members ?type ?notation $fcl
@@ -2185,10 +2185,10 @@ 
                     'type' => array($row->type->shorten()),
                 );
                 if (isset($row->label)) {
-                    if ($row->label->getLang() == $lang || strpos($row->label->getLang(), $lang . "-") == 0) {
+                    if ($row->label->getLang() == $lang || strpos($row->label->getLang(), $lang."-") == 0) {
                         $values[$row->conc->getURI()]['prefLabel'] = $row->label->getValue();
                     } else {
-                        $values[$row->conc->getURI()]['prefLabel'] = $row->label->getValue() . " (" . $row->label->getLang() . ")";
+                        $values[$row->conc->getURI()]['prefLabel'] = $row->label->getValue()." (".$row->label->getLang().")";
                     }
 
                 }
@@ -2216,8 +2216,8 @@ 
      * @param boolean $showDeprecated whether to include deprecated concepts in search results
      * @return array Result array with concept URI as key and concept label as value
      */
-    public function listConceptGroupContents($groupClass, $group, $lang,$showDeprecated = false) {
-        $query = $this->generateConceptGroupContentsQuery($groupClass, $group, $lang,$showDeprecated);
+    public function listConceptGroupContents($groupClass, $group, $lang, $showDeprecated = false) {
+        $query = $this->generateConceptGroupContentsQuery($groupClass, $group, $lang, $showDeprecated);
         $result = $this->query($query);
         return $this->transformConceptGroupContentsResults($result, $lang);
     }
@@ -2231,9 +2231,9 @@ 
      * @param boolean $showDeprecated whether to include deprecated concepts in the change list
      * @return string sparql query
      */
-    private function generateChangeListQuery($prop, $lang, $offset, $limit=200, $showDeprecated) {
+    private function generateChangeListQuery($prop, $lang, $offset, $limit = 200, $showDeprecated) {
         $fcl = $this->generateFromClause();
-        $offset = ($offset) ? 'OFFSET ' . $offset : '';
+        $offset = ($offset) ? 'OFFSET '.$offset : '';
 
         //Additional clauses when deprecated concepts need to be included in the results
         $optionVar = ($showDeprecated) ? '?replacedBy' : '';
@@ -2298,7 +2298,7 @@ 
      * @param boolean $showDeprecated whether to include deprecated concepts in the change list
      * @return array Result array
      */
-    public function queryChangeList($prop, $lang, $offset, $limit, $showDeprecated=false) {
+    public function queryChangeList($prop, $lang, $offset, $limit, $showDeprecated = false) {
         $query = $this->generateChangeListQuery($prop, $lang, $offset, $limit, $showDeprecated);
 
         $result = $this->query($query);

controller/RestController.php

Indentation +5 added lines, -5 removed lines

@@ -575,9 +575,9 @@ 
                 $vocid = $request->getVocab()->getId();
                 return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocid in language $dataLang");
             }
-		} else {
+    } else {
             header("Location: " . $urls[$format]);
-		}
+    }
     }
 
     private function returnDataResults($results, $format) {
@@ -1120,9 +1120,9 @@ 
         }
         return $this->returnJson(array_merge_recursive($this->context,
                                                         array('@context' => array( '@language' => $request->getLang(),
-                                                                                     'prefLabel' => 'skos:prefLabel',
-                                                                                     'xsd' => 'http://www.w3.org/2001/XMLSchema#',
-                                                                                     'date' => array( '@id' => 'http://purl.org/dc/terms/date', '@type' => 'http://www.w3.org/2001/XMLSchema#dateTime') )
+                                                                                      'prefLabel' => 'skos:prefLabel',
+                                                                                      'xsd' => 'http://www.w3.org/2001/XMLSchema#',
+                                                                                      'date' => array( '@id' => 'http://purl.org/dc/terms/date', '@type' => 'http://www.w3.org/2001/XMLSchema#dateTime') )
                                                         ),
                                                         array('changeList' => $simpleChangeList)));
 

Spacing +21 added lines, -21 removed lines

@@ -25,7 +25,7 @@ 
         // wrap with JSONP callback if requested
         if (filter_input(INPUT_GET, 'callback', FILTER_SANITIZE_STRING)) {
             header("Content-type: application/javascript; charset=utf-8");
-            echo filter_input(INPUT_GET, 'callback', FILTER_UNSAFE_RAW) . "(" . json_encode($data) . ");";
+            echo filter_input(INPUT_GET, 'callback', FILTER_UNSAFE_RAW)."(".json_encode($data).");";
             return;
         }
 
@@ -88,7 +88,7 @@ 
                 'vocabularies' => 'onki:hasVocabulary',
                 'id' => 'onki:vocabularyIdentifier',
                 'uri' => '@id',
-                '@base' => $this->getBaseHref() . "rest/v1/vocabularies",
+                '@base' => $this->getBaseHref()."rest/v1/vocabularies",
             ),
             'uri' => '',
             'vocabularies' => $results,
@@ -105,7 +105,7 @@ 
         // convert to vocids array to support multi-vocabulary search
         $vocids = ($vocabs !== null && $vocabs !== '') ? explode(' ', $vocabs) : array();
         $vocabObjects = array();
-        foreach($vocids as $vocid) {
+        foreach ($vocids as $vocid) {
             $vocabObjects[] = $this->model->getVocabulary($vocid);
         }
         $parameters->setVocabularies($vocabObjects);
@@ -136,12 +136,12 @@ 
         foreach ($parameters->getAdditionalFields() as $field) {
 
             // Quick-and-dirty compactification
-            $context[$field] = 'skos:' . $field;
+            $context[$field] = 'skos:'.$field;
             foreach ($results as &$result) {
                 foreach ($result as $k => $v) {
-                    if ($k == 'skos:' . $field) {
+                    if ($k == 'skos:'.$field) {
                         $result[$field] = $v;
-                        unset($result['skos:' . $field]);
+                        unset($result['skos:'.$field]);
                     }
                 }
             }
@@ -229,7 +229,7 @@ 
                 'prefLabel' => 'skos:prefLabel',
                 'title' => 'dct:title',
                 '@language' => $request->getLang(),
-                '@base' => $this->getBaseHref() . "rest/v1/" . $vocab->getId() . "/",
+                '@base' => $this->getBaseHref()."rest/v1/".$vocab->getId()."/",
             ),
             'uri' => '',
             'id' => $vocab->getId(),
@@ -283,7 +283,7 @@ 
                 'subTypes' => array('@id' => 'void:class', '@type' => '@id'),
                 'count' => 'void:entities',
                 '@language' => $request->getLang(),
-                '@base' => $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/",
+                '@base' => $this->getBaseHref()."rest/v1/".$request->getVocab()->getId()."/",
             ),
             'uri' => '',
             'id' => $request->getVocab()->getId(),
@@ -360,7 +360,7 @@ 
                 'language' => 'void-ext:language',
                 'properties' => 'void:propertyPartition',
                 'labels' => 'void:triples',
-                '@base' => $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/",
+                '@base' => $this->getBaseHref()."rest/v1/".$request->getVocab()->getId()."/",
             ),
             'uri' => '',
             'id' => $request->getVocab()->getId(),
@@ -401,7 +401,7 @@ 
             $types[] = $type;
         }
 
-        $base = $request->getVocab() ? $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/" : $this->getBaseHref() . "rest/v1/";
+        $base = $request->getVocab() ? $this->getBaseHref()."rest/v1/".$request->getVocab()->getId()."/" : $this->getBaseHref()."rest/v1/";
 
         $ret = array_merge_recursive($this->context, array(
             '@context' => array(
@@ -442,7 +442,7 @@ 
         if ($lang === null) {
             // case 1A: exact match on preferred label in any language
             foreach ($results as $res) {
-                if (isset($res['matchedPrefLabel']) && $res['matchedPrefLabel']  == $label) {
+                if (isset($res['matchedPrefLabel']) && $res['matchedPrefLabel'] == $label) {
                     $res['prefLabel'] = $res['matchedPrefLabel'];
                     unset($res['matchedPrefLabel']);
                     $hits[] = $res;
@@ -564,19 +564,19 @@ 
 
         $format = $this->negotiateFormat(array_keys($urls), $request->getServerConstant('HTTP_ACCEPT'), $request->getQueryParam('format'));
         if (!$format) {
-            return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . implode(' ', array_keys($urls)));
+            return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: ".implode(' ', array_keys($urls)));
         }
         if (is_array($urls[$format])) {
             $arr = $urls[$format];
             $dataLang = $request->getLang();
             if (isset($arr[$dataLang])) {
-                header("Location: " . $arr[$dataLang]);
+                header("Location: ".$arr[$dataLang]);
             } else {
                 $vocid = $request->getVocab()->getId();
                 return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocid in language $dataLang");
             }
 		} else {
-            header("Location: " . $urls[$format]);
+            header("Location: ".$urls[$format]);
 		}
     }
 
@@ -639,7 +639,7 @@ 
 
         $format = $this->negotiateFormat(explode(' ', self::SUPPORTED_FORMATS), $request->getServerConstant('HTTP_ACCEPT'), $request->getQueryParam('format'));
         if (!$format) {
-            return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . self::SUPPORTED_FORMATS);
+            return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: ".self::SUPPORTED_FORMATS);
         }
 
         $vocid = $vocab ? $vocab->getId() : null;
@@ -924,7 +924,7 @@ 
                         }
                     }
                     // if the main concept scheme was not found, set 'top' to the first 'tops' (sorted alphabetically on the URIs)
-                    if (! isset($results[$uri]['top'])) {
+                    if (!isset($results[$uri]['top'])) {
                         $results[$uri]['top'] = $results[$uri]['tops'][0];
                     }
                 } else {
@@ -1102,16 +1102,16 @@ 
         $changeList = $request->getVocab()->getChangeList($prop, $request->getLang(), $offset, $limit);
 
         $simpleChangeList = array();
-        foreach($changeList as $conceptInfo) {
+        foreach ($changeList as $conceptInfo) {
             if (array_key_exists('date', $conceptInfo)) {
                 if (array_key_exists('replacedBy', $conceptInfo)) {
-                    $simpleChangeList[] =  array(
+                    $simpleChangeList[] = array(
                         'uri' => $conceptInfo['uri'],
                         'prefLabel' => $conceptInfo['prefLabel'],
                         'date' => $conceptInfo['date']->format("Y-m-d\TH:i:sO"),
                         'replacedBy' => $conceptInfo['replacedBy'] );
                 } else {
-                    $simpleChangeList[] =  array(
+                    $simpleChangeList[] = array(
                         'uri' => $conceptInfo['uri'],
                         'prefLabel' => $conceptInfo['prefLabel'],
                         'date' => $conceptInfo['date']->format("Y-m-d\TH:i:sO") );
@@ -1119,10 +1119,10 @@ 
             }
         }
         return $this->returnJson(array_merge_recursive($this->context,
-                                                        array('@context' => array( '@language' => $request->getLang(),
+                                                        array('@context' => array('@language' => $request->getLang(),
                                                                                      'prefLabel' => 'skos:prefLabel',
                                                                                      'xsd' => 'http://www.w3.org/2001/XMLSchema#',
-                                                                                     'date' => array( '@id' => 'http://purl.org/dc/terms/date', '@type' => 'http://www.w3.org/2001/XMLSchema#dateTime') )
+                                                                                     'date' => array('@id' => 'http://purl.org/dc/terms/date', '@type' => 'http://www.w3.org/2001/XMLSchema#dateTime'))
                                                         ),
                                                         array('changeList' => $simpleChangeList)));