Fix hard crash on missng skosxl:literalForm

If skosxl:literalForm is missing on a label resource the $label variable remains uninitialzed and causes a hard crash
NatLibFi · Jan 13, 2018 · 1ef321e · 1ef321e
1 parent 8ab9cdd
commit 1ef321e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/model/Concept.php b/model/Concept.php
@@ -151,7 +151,7 @@ public function getXlLabel()
         $labels = $this->resource->allResources('skosxl:prefLabel');
         foreach($labels as $labres) {
             $label = $labres->getLiteral('skosxl:literalForm');
-            if ($label->getLang() == $this->clang) {
+            if ($label !== null && $label->getLang() == $this->clang) {
                 return new LabelSkosXL($this->model, $labres);
             }
         }