Merge branch 'bugs' into devNachCSRF

php/model/DatabaseArticleManager.php

@@ -63,9 +63,12 @@ class DatabaseArticleManager implements ArticleManagerDAO {
                     VALUES (:title, :content, :author, :category, :tags);";
 
             $command = $db->prepare($sql);
+            if (!$command) {
+                throw new InternalServerErrorException("internal_error");
+            }
 
             // Verknüpft die übergebenen Parameter exakt mit den SQL-Platzhaltern
-            $command->execute([
+            $success = $command->execute([
                 ":title"    => $title,
                 ":content"  => $content,
                 ":author"   => $author,
@@ -73,10 +76,13 @@ class DatabaseArticleManager implements ArticleManagerDAO {
                 ":tags"     => $tags
             ]);
 
+            if (!$success) {
+                throw new InternalServerErrorException("internal_error");
+            }
+
             return intval($db->lastInsertId());
 
         } catch (PDOException $e) {
-
             throw new InternalServerErrorException("internal_error");
         }
     }
@@ -321,7 +327,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
         }
     }
 
-
     /**
      * Holt alle User-IDs, die einen bestimmten Beitrag geliked haben.
      *