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<?php
namespace IAWP\Utils;
/** @internal */
trait Singleton
{
/**
* Singleton Instance
*
* @var mixed
*/
private static $instance = null;
/**
* Private Constructor
*
* We can't use the constructor to create an instance of the class
*
* @return void
*/
private function __construct()
{
// Don't do anything, we don't want to be initialized
}
/**
* Private clone method to prevent cloning of the instance of the
* Singleton instance.
*
* @return void
*/
private function __clone()
{
// Don't do anything, we don't want to be cloned
}
/**
* Get the singleton instance
*
* @return self
*/
public static function getInstance() : self
{
if (\is_null(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
}