<?php
class Accumulator implements ArrayAccess {
private $container = array();
private static $instance = null;
private function __construct() {
}
public function getInstance() {
if( self::$instance === null ) {
self::$instance = new self();
}
return self::$instance;
}
public function offsetSet($offset, $value) {
if (is_null($offset)) {
$this->container[] = $value;
} else {
$this->container[$offset] = $value;
}
}
public function offsetExists($offset) {
return isset($this->container[$offset]);
}
public function offsetUnset($offset) {
unset($this->container[$offset]);
}
public function offsetGet($offset) {
return isset($this->container[$offset]) ? $this->container[$offset] : null;
}
}
class Common {
public $saved = null;
public function __construct() {
$this->saved = Accumulator::getInstance();
}
}
class Template extends Common {
public function __construct() {
parent::__construct();
$this->saved['user_data'] = array('name' => 'bob');
$user = new User();
}
}
class User extends Common {
public function __construct() {
parent::__construct();
$this->saved['user_data']['name'] .= " rocks!";
$this->saved['user_data']['id'] = array(400, 10, 20);
}
}
$tpl = new Template();
print_r($tpl->saved['user_data']);