OpenCart 🇺🇦

if (!$this->user->hasPermission('modify', 'catalog/filter')) {
	$this->error['warning'] = $this->language->get('error_permission');
}

foreach ($this->request->post['filter_group_description'] as $language_id => $value) {
	if ((utf8_strlen($value['name']) < 1) || (utf8_strlen($value['name']) > 64)) {
		$this->error['group'][$language_id] = $this->language->get('error_group');
	}
}

if (isset($this->request->post['filter'])) {
	foreach ($this->request->post['filter'] as $filter_id => $filter) {
		foreach ($filter['filter_description'] as $language_id => $filter_description) {
			if ((utf8_strlen($filter_description['name']) < 1) || (utf8_strlen($filter_description['name']) > 64)) {
				$this->error['filter'][$filter_id][$language_id] = $this->language->get('error_name'); 
			}					
		}
	}	
}

if (!$this->error) {
	return true;
} else {
	return false;
}