public function set($key, $value = null)
{
parent::set($key, $value);
if (in_array($key, $this->meta_fields)) {
$meta = (array) $this->get('meta', true);
if (is_string($value)) {
$value = array_unique(array_filter(explode('|', $value)));
}
$meta[$key] = array();
foreach ((array) $value as $item) {
$meta[$key][$item] = array();
}
parent::set('meta', $meta);
if ($key == 'category' && !sets::show('nsfw')) {
if (in_array($this->nsfw_category, $value)) {
$this->set('hidden', true);
}
}
}
return $this;
}
