Merge remote-tracking branch 'origin/master' into 2.4

src/Wallabag/ImportBundle/Import/WallabagImport.php

@@ -86,6 +86,18 @@ abstract class WallabagImport extends AbstractImport
         return $this;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function validateEntry(array $importedEntry)
+    {
+        if (empty($importedEntry['url'])) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * {@inheritdoc}
      */