#10632 Fix array use before initialization

Author: asmecher

classes/core/VirtualArrayIterator.php

@@ -49,13 +49,13 @@ public function __construct(array $theArray, int $totalItems, int $page = -1, in
         parent::__construct();
         if ($page >= 1 && $itemsPerPage >= 1) {
             $this->page = $page;
+            $this->itemsPerPage = $itemsPerPage;
         } else {
             $this->page = 1;
-            $this->itemsPerPage = max(count($this->theArray), 1);
+            $this->itemsPerPage = max(count($theArray), 1);
         }
         $this->theArray = $theArray;
         $this->count = $totalItems;
-        $this->itemsPerPage = $itemsPerPage;
         $this->wasEmpty = count($this->theArray) == 0;
         reset($this->theArray);
     }