<?php
class Accounts extends Zend_Db_Table_Abstract
{
  protected $_name      = 'accounts';
  protected $_dependentTables = array('Bugs');
}
class
class
  protected
  protected
class
  protected
}
Products extends Zend_Db_Table_Abstract
{
  protected $_name      = 'products';
  protected $_dependentTables = array('BugsProducts');
}
Bugs extends Zend_Db_Table_Abstract
{
  protected $_name      = 'bugs';$_dependentTables = array('BugsProducts');$_referenceMap  = array(
    'Reporter' => array(
      'columns'      => 'reported_by',
      'refTableClass'   => 'Accounts',
      'refColumns'    => 'account_name'
    ),
    'Engineer' => array(
      'columns'      => 'assigned_to',
      'refTableClass'   => 'Accounts',
      'refColumns'    => 'account_name'
    ),
    'Verifier' => array(
      'columns'      => array('verified_by'),
      'refTableClass'   => 'Accounts',
      'refColumns'    => array('account_name')
    )
  );
}
BugsProducts extends Zend_Db_Table_Abstract
{
  protected $_name = 'bugs_products';$_referenceMap  = array(
    'Bug' => array(
      'columns'      => array('bug_id'),
      'refTableClass'   => 'Bugs',
      'refColumns'    => array('bug_id')
    ),
    'Product' => array(
      'columns'      => array('product_id'),
      'refTableClass'   => 'Products',
      'refColumns'    => array('product_id')
    )
  );

$row->findDependentRowset($table, [$rule]);

<?php
$accountsTable   = new Accounts();
$accountsRowset   = $accountsTable->find(1234);
$user1234      = $accountsRowset->current();
$bugsReportedByUser = $user1234->findDependentRowset('Bugs');

<?php
$accountsTable   = new Accounts();
$accountsRowset   = $accountsTable->find(1234);
$user1234      = $accountsRowset->current();
$bugsAssignedToUser = $user1234->findDependentRowset('Bugs', 'Engineer');

<?php
$accountsTable  = new Accounts();
$accountsRowset  = $accountsTable->find(1234);
$user1234     = $accountsRowset->current();
// Use the default reference rule
$bugsReportedBy  = $user1234->findBugs();// Specify the reference rule
$bugsAssignedTo  = $user1234->findBugsByEngineer();

<?php
$bugsTable     = new Bugs();
$bugsRowset    = $bugsTable->fetchAll('bug_status = ?', 'NEW');
$bug1       = $bugsRowset->current();
// Use the default reference rule
$reporter     = $bug1->findParentAccounts();// Specify the reference rule
$engineer     = $bug1->findParentAccountsByEngineer();

$row->findParentRow($table, [$rule]);

<?php
$bugsTable     = new Bugs();
$bugsRowset    = $bugsTable->fetchAll(array('bug_status = ?' => 'NEW'));
$bug1       = $bugsRowset->current();
$reporter     = $bug1->findParentRow('Accounts');

<?php
$bugsTable     = new Bugs();
$bugsRowset    = $bugsTable->fetchAll('bug_status = ?', 'NEW');
$bug1       = $bugsRowset->current();
$engineer     = $bug1->findParentRow('Accounts', 'Engineer');

$row->findManyToManyRowset($table, $intersectionTable, [$rule1, [$rule2]]);

<?php
$bugsTable    = new Bugs();
$bugsRowset    = $bugsTable->find(1234);
$bug1234     = $bugsRowset->current();
$productsRowset  = $bug1234->findManyToManyRowset('Products', 'BugsProducts');

<?php
$bugsTable    = new Bugs();
$bugsRowset    = $bugsTable->find(1234);
$bug1234     = $bugsRowset->current();
$productsRowset  = $bug1234->findManyToManyRowset('Products', 'BugsProducts', 'Bug');

<?php
$bugsTable    = new Bugs();
$bugsRowset    = $bugsTable->find(1234);
$bug1234     = $bugsRowset->current();
// Use the default reference rule
$products     = $bug1234->findProductsViaBugsProducts();// Specify the reference rule
$products     = $bug1234->findProductsViaBugsProductsByBug();