wp-stateless / lib / classes / trait-singleton.php

trait-singleton.php in WP-Stateless – Google Cloud Storage trunk, at lib/classes/trait-singleton.php

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1	<?php
2
3	namespace wpCloud\StatelessMedia;
4
5	/**
6	* Class Singleton
7	* @package wpCloud\StatelessMedia
8	*/
9	trait Singleton {
10
11	/**
12	* @var null
13	*/
14	private static $instance = null;
15
16	/**
17	* Instance
18	*
19	* @return null\|Singleton
20	*/
21	public static function instance() {
22	return self::$instance ? self::$instance : self::$instance = new self;
23	}
24	}
25