function addReportClass($class_name, $class_id=null)
{
if (!$class_id)
- $class_id = is_array($this->ar_classes) ? count($this->ar_classes) : 0;
+ $class_id = count_array($this->ar_classes);
$this->ar_classes[$class_id] = $class_name;
return $class_id;