Предупреждения (warning) после установки PhocaGallery - PhocaGallery

$xml_items[$key] = $value;

$xml_items['name'] = 'Phoca Gallery';

function getPhocaVersion() {
   $folder = JPATH_ADMINISTRATOR .DS. 'components/com_phocagallery';
   if (JFolder::exists($folder)) {
      $xmlFilesInDir = JFolder::files($folder, '.xml$');
   } else {
      $folder = JPATH_SITE .DS. 'components/com_phocagallery';
      if (JFolder::exists($folder)) {
         $xmlFilesInDir = JFolder::files($folder, '.xml$');
      } else {
         $xmlFilesInDir = null;
      }
   }
   $xml_items = '';
   if (count($xmlFilesInDir)) {
      foreach ($xmlFilesInDir as $xmlfile){
         if ($data = JApplicationHelper::parseXMLInstallFile($folder.DS.$xmlfile)) {
            foreach($data as $key => $value) {
               $xml_items[$key] = $value;
            }
         }
      }
   }
   if (isset($xml_items['version']) && $xml_items['version'] != '' ) { return $xml_items['version'];
   } else { return ''; } }
}

$xml_items = '';

$xml_items = '';

$xml_items[$key] = $value;

 $xml_items = array();