<?php
// Entity
class Element 
{
    private $id;

<?php
// Entity
class Book 
{
    private $id;

<?php
// Entity
class Book 
{
    private $id;

Zf_Orm_MethodExpressionParser
----

findByTitleAndDate('Example', date('Y-m-d'))
SELECT * FROM book WHERE title = ? AND date = ?

Zf_Orm
----------------

$manager = Zf_Orm_Manager::getInstance();           // instance of Zf_Orm_Manager
$bookRepository = $manager->getRepository('Book');  // instance of Zf_Orm_Repository

<?php
class Book {
    private $id;
    private $title;

Domain class
---------------------

File: /application/domain/Book.php

GORM (Groovy)
------------

class Book {
   static belongsTo = Author

    /**
     * Return instance of Zf_Domain_Entity.
     *
     * @return Zf_Domain_Entity
     * @throws Zf_DataSource_Dao_Exception

<?php
class Zend_Controller_Dispatcher_Abstract
{
    /**
     * Retrieve front controller instance

<?php
class Project_Model_UserProfile_Repository extends Zf_Domain_Repository
{
    /* @var Project_Dao_Db_UserProfile */
    private $userProfileDao;