FOF30\Model\DataModel\Filter\AbstractFilter::exact PHP Метод

    public function exact($value)
    {
        if ($this->isEmpty($value)) {
            return '';
        }
        if (is_array($value)) {
            $db = $this->db;
            $value = array_map(array($db, 'quote'), $value);
            return '(' . $this->getFieldName() . ' IN (' . implode(',', $value) . '))';
        } else {
            return $this->search($value, '=');
        }
    }