[ZF] $db gebruiken in models AND controllers

$result = $db->query('SELECT * FROM article ORDER BY time_posted DESC LIMIT 0, '.$count);
		$articles = $result->fetchAll();

$result = $db->query('SELECT * FROM article ORDER BY time_posted DESC LIMIT 0, '.$count);
		$articles = $result->fetchAll();

Zend_Registry::set('db', $db);

Zend_Registry::set('db', $db);

$db = Zend_Registry::get('db');

$db = Zend_Registry::get('db');