<?php
/**
 * object used in calls
 *
 * @property-read mixed $result Result of the previous call
 */
class CallObject
{
	private static $_instance;
	private $_result;
	
	private function __construct()
	{
	}

	public static function getInstance()
	{
		if(!self::$_instance)
			self::$_instance = new CallObject();

		return self::$_instance;
	}

	public function setResult($value)
	{
		$this->_result = $value;
	}

	public function __get($name)
	{
		if($name == 'result')
			return $this->_result;
	}
}