phacil-framework/system/engine/model.php

<?php
abstract class Model {
	protected $registry;
	
	public function __construct($registry) {
		$this->registry = $registry;
	}
	
	public function __get($key) {
		return $this->registry->get($key);
	}
	
	public function __set($key, $value) {
		$this->registry->set($key, $value);
	}
}
?>