Piwik\Common::hasJsonErrorOccurred PHP Méthode

    public static function hasJsonErrorOccurred()
    {
        return json_last_error() != JSON_ERROR_NONE;
    }

 private function loadFile($filename)
 {
     $data = file_get_contents($filename);
     $translations = json_decode($data, true);
     if (is_null($translations) && Common::hasJsonErrorOccurred()) {
         throw new \Exception(sprintf('Not able to load translation file %s: %s', $filename, Common::getLastJsonError()));
     }
     if (!is_array($translations)) {
         return array();
     }
     return $translations;
 }