Code Coverage for /vagrant/library/BOTK/Core/Singleton.php

1	<?php
2	namespace BOTK\Core;
3	/*
4	* PHP 5.3 allows the creation of an inheritable Singleton class via late static binding:
5	* see: http://stackoverflow.com/questions/203336/creating-the-singleton-design-pattern-in-php5
6	* discussion
7	*
8	*/
9	class Singleton
10	{
11	private static $instances = array();
12	protected function __construct() {}
13	private function __clone() {}
14	public function __wakeup()
15	{
16	throw new Exception("Cannot unserialize singleton");
17	}
18
19	public static function getInstance()
20	{
21	$cls = get_called_class(); // late-static-bound class name
22	if (!isset(self::$instances[$cls])) {
23	self::$instances[$cls] = new static;
24	}
25	return self::$instances[$cls];
26	}