return array instead of hashes

mobile.netbiblio.php

@@ -213,19 +213,19 @@ class NetBiblio extends WebService
     public function GetWishes()
     {
         $books = $this->getUser()->getWishes();
-        $this->data = array_map(array($this, 'AddFiles'), $books);
+        $this->data = array_values(array_map(array($this, 'AddFiles'), $books));
     }
 
     public function GetCirculations()
     {
         $circulations = $this->getUser()->getCirculations();
-        $this->data = array_map(array($this, 'AddFiles'), $circulations);
+        $this->data = array_values(array_map(array($this, 'AddFiles'), $circulations));
     }
 
     public function GetOldCirculations()
     {
         $circulations = $this->getUser()->getOldCirculations();
-        $this->data = array_map(array($this, 'AddFiles'), $circulations);
+        $this->data = array_values(array_map(array($this, 'AddFiles'), $circulations));
     }
 
     public function AddWish($bookNr)
@@ -247,7 +247,7 @@ class NetBiblio extends WebService
         $codes = json_decode($codes, true);
         $codes = array_map('intval', $codes);
         $books = AudioBook::findBy('NoticeNr', $codes, true);
-        $this->data = array_map(array($this, 'AddFiles'), $books);
+        $this->data = array_values(array_map(array($this, 'AddFiles'), $books));
     }
 
     private function AddFiles(array $book)