bux fix: getTagsForElementSearch: si le tableau d'ids était vide, err 500.

src/Muzich/CoreBundle/Repository/TagRepository.php

@@ -44,16 +44,19 @@ class TagRepository extends EntityRepository
   public function getTagsForElementSearch($ids)
   {
     $tags = array();
-    foreach ($this->getEntityManager()
-      ->createQuery('
-        SELECT t.id, t.name FROM MuzichCoreBundle:Tag t
-        WHERE t.id IN (:ids)
-        ORDER BY t.name ASC'
-      )
-      ->setParameter('ids', $ids)
-      ->getArrayResult() as $tag)
-    {
-      $tags[$tag['id']] = $tag['name'];
+    if (count($ids))
+      {
+      foreach ($this->getEntityManager()
+        ->createQuery('
+          SELECT t.id, t.name FROM MuzichCoreBundle:Tag t
+          WHERE t.id IN (:ids)
+          ORDER BY t.name ASC'
+        )
+        ->setParameter('ids', $ids)
+        ->getArrayResult() as $tag)
+      {
+        $tags[$tag['id']] = $tag['name'];
+      }
     }
     
     return $tags;