Mustache/examples/section_magic_objects/SectionMagicObjects.php

<?php

class SectionMagicObjects {
	public $start = "It worked the first time.";

	public function middle() {
		return new MagicObject();
	}

	public $final = "Then, surprisingly, it worked the final time.";
}

class MagicObject {
	protected $_data = array(
		'foo' => 'And it worked the second time.',
		'bar' => 'As well as the third.'
	);

	public function __get($key) {
		return isset($this->_data[$key]) ? $this->_data[$key] : NULL;
	}

	public function __isset($key) {
		return isset($this->_data[$key]);
	}
}