Zend FR

class Application_Model_DbTable_ProductCategory extends Zend_Db_Table_Abstract
{

    protected $_name     =     'category';
    protected $_primary     =     'id_categorie';
    protected $_db = null;
    public $message = 'Impossible de trouver la categorie';

    public function modifyProductCategory($id, $nom, $description) {
        $data = array(
            'nom'             =>     $nom,
            'description'     =>     $description
        );

        $this->update($data, 'id_categorie ='. (int)$id);
        
        //return parent::update($data, array('id_categorie = ?' => $id));
  
    }

    public function delProductCategory($id) {
        //$this->delete('id_categorie ='. (int)$id);
        //parent::delete('id_categorie ='. (int)$id);
        
        return $this->_db->query('DELETE FROM category '.
                                'WHERE id_categorie ='. (int)$id);
        $this->_db->commit();
    }
}