public function updateContent($content, $userId)
{
$errors = array();
$content = CMA_Thread::contentFilter($content, $userId);
if (empty($content)) {
$errors[] = CMA::__('Content cannot be empty');
} else {
if (!$this->saveContent($content)) {
$errors[] = 'Failed to update the answer.';
}
}
if (!empty($errors)) {
throw new Exception(serialize($errors));
} else {
return $this;
}
}
