Zend FR

    $_POST['exemple'] = array(
        'vn' => array(
            'A' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0),
            'B' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0),
            'C' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0),
            'AUTRE' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0)
        ),
        'vo' => array(
            'A' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0),
            'B' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0),
            'C' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0),
            'AUTRE' => array(10 => 0, 9 => 0, 8 => 0, 7 => 0, 6 => 0, 5 => 0, 4 => 0, 3 => 0, 2 => 0, 1 => 0)
        )
    );

    /**
     * @param array $filterRule
     * @return void
     */
    protected function _filterRule(array $filterRule)
    {
        $field = $filterRule[self::FIELDS];
        if (!array_key_exists($field, $this->_data)) {
            return;
        }
        if (is_array($this->_data[$field])) {
            foreach ($this->_data[$field] as $key => $value) {
                $this->_data[$field][$key] = $filterRule[self::FILTER_CHAIN]->filter($value);
            }
        } else {
            $this->_data[$field] =
                $filterRule[self::FILTER_CHAIN]->filter($this->_data[$field]);
        }
    }