AntiPatterns\Singleton\Singleton

Complexity

Total Complexity

6

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Importance

Changes	4
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__sleep()	0	2	1
A	__wakeup()	0	2	1
A	getInstance()	0	7	2
A	__construct()	0	2	1
A	__clone()	0	2	1

<?php

/**
 * @author  : Jagepard <jagepard@yandex.ru>
 * @license https://mit-license.org/ MIT
 */

namespace AntiPatterns\Singleton;

final class Singleton
{
    /**
     * @var self
     */
    private static $instance;

    /**
     * @return self
     */
    public static function getInstance(): self
    {
        if (!self::$instance instanceof self) {

self::instance is always a sub-type of self.

            self::$instance = new self();
        }

        return self::$instance;
    }

    /**
     * SingletonTrait constructor.
     */
    public function __construct()
    {
    }

    /**
     * @codeCoverageIgnore
     */
    public function __sleep()
    {
    }

    /**
     * @codeCoverageIgnore
     */
    public function __wakeup()
    {
    }

    /**
     * @codeCoverageIgnore
     */
    public function __clone()
    {
    }
}