gistfile1.php

<?php
ini_set('display_errors', 'On');
error_reporting(E_ALL);

class InternalStore {

	protected $store;
	
	public function __construct($store = array()) {
		$this->setStore($store);
	}
	
	public function setStore($store) {
		if(is_array($store))
			$this->store = $store;
	}
	
	public function getStore() {
		return $this->store;
	}
	
	public function __set($key, $item) {
		$this->store[$key] = $item;
	}
	
	public function __get($key) {
		if(!array_key_exists($key, $this->store))
			$this->store[$key] = array();
			
		if(array_key_exists($key, $this->store)) {
			if(is_array($this->store[$key]))
				return new InternalStoreObject($key, $this->store[$key], $this);
			else return $this->store[$key];
		}
	return (object) array();
	}
	
	public function __toString() {
		return __CLASS__;
	}

}

class InternalStoreObject {

	protected $store;
	
	protected $key;
	
	protected $parent;

	public function __construct($key, $store, $parent) {
		$this->key = $key;
		$this->store = $store;
		$this->parent = $parent;
	}
	
	public function __set($key, $item) {
		$this->store[$key] = $item;
		
		$key = $this->key;
		$this->parent->$key = $this->store;
	}
	
	public function __get($key) {
		if(!array_key_exists($key, $this->store))
			$this->store[$key] = array();
			
		if(array_key_exists($key, $this->store)) {
			if(is_array($this->store[$key]))
				return new InternalStoreObject($key, $this->store[$key], $this);
			else return $this->store[$key];
		}
	return (object) array();
	}

	public function __toString() {
		return $this->key;
	}

}

$store = new InternalStore(array(
	'what' => array(
		'is' => array(
			'love' => "Baby, don't hurt me&hellip;",
			'www' => 'A series of tubes!'
		)
	),
	'rick' => array(
		'roll' => "Never gonna give you up&hellip;",
		'troll' => 'RickarN? ;)'
	)
));


$store->rick->troll = 'U MAD BRAH?';
$store->what->ovr9k = "UNBERIVABURR! ( ~ __ ~ )";

$store->foo->bar->baz->lol->face->dot->jpeg = ':D';

echo '<pre>';
print_r($store->getStore());
echo '</pre>';
?>