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<?php
namespace Fwolf\Base\Singleton;
/**
* Singleton pattern implement
*
* Use only when class REALLY NEED to be singleton, that is say, if class has
* more than one instances, may cause error or waste mass resource. Because
* singleton may introduce tight coupling and hard to mock.
* @see http://www.phptherightway.com/pages/Design-Patterns.html
* Illegal usage will cause fatal error and cannot catch, so skip test.
* @codeCoverageIgnore
* @copyright Copyright 2013-2016 Fwolf
* @license http://opensource.org/licenses/MIT MIT
*/
trait SingletonTrait
{
use SingleInstanceTrait;
* Prevent 'new' operator from outside
protected function __construct()
}
* Prevent clone method
private function __clone()
* Prevent unserialize method
/** @noinspection PhpUnusedPrivateMethodInspection */
private function __wakeup()
fwolf /
singleton.php
