imagify / classes / Traits / InstanceGetterTrait.php

InstanceGetterTrait.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF 1.9.8, at classes/Traits/InstanceGetterTrait.php

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1	<?php
2	namespace Imagify\Traits;
3
4	defined( 'ABSPATH' ) \|\| die( 'Cheatin’ uh?' );
5
6	/**
7	* Trait that simulates a singleton pattern.
8	* The idea is more to ease the instance retrieval than to prevent multiple instances.
9	* This is temporary, until we get a DI container.
10	*
11	* @since 1.9
12	* @since 1.9.4 Renamed into InstanceGetterTrait.
13	* @author Grégory Viguier
14	*/
15	trait InstanceGetterTrait {
16
17	/**
18	* The "not-so-single" instance of the class.
19	*
20	* @var object
21	* @since 1.9
22	* @access protected
23	* @author Grégory Viguier
24	*/
25	protected static $instance;
26
27	/**
28	* Get the main Instance.
29	*
30	* @since 1.9
31	* @access protected
32	* @author Grégory Viguier
33	*
34	* @return object Main instance.
35	*/
36	public static function get_instance() {
37	if ( ! isset( static::$instance ) ) {
38	static::$instance = new static();
39	}
40
41	return static::$instance;
42	}
43	}
44