Singleton::getInstance() - Code Metrics - Inspection of "Transition to PHP8 testing part10" - redaxscript/redaxscript - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Henry

created 2021-02-21 21:49 UTC

Singleton::getInstance() A

↳ Parent: Singleton

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.8666
c	0
b	0
f	0
cc	2
nc	2
nop	0

<?php
namespace Redaxscript;

use function array_key_exists;

/**
 * abstract class to create a singleton class
 *
 * @since 2.2.0
 *
 * @package Redaxscript
 * @category Singleton
 * @author Henry Ruhs
 *
 * @codeCoverageIgnore
 */

abstract class Singleton
{
	/**
	 * array of static instances
	 *
	 * @var array
	 */

	protected static $_instanceArray = [];

	/**
	 * constructor of the class
	 *
	 * @since 2.2.0
	 */

	private function __construct()
	{
	}

	/**
	 * clone of the class
	 *
	 * @since 5.0.0
	 */

	private function __clone()
	{
	}

	/**
	 * get the instance
	 *
	 * @since 5.0.0
	 *
	 * @return static
	 */

	public static function getInstance()
	{
		$className = static::class;

		/* create instance */

		if (!array_key_exists($className, static::$_instanceArray))
		{
			static::$_instanceArray[$className] = new static();
		}
		return static::$_instanceArray[$className];
	}

	/**
	 * clear the instance
	 *
	 * @since 3.0.0
	 */

	public static function clearInstance() : void
	{
		$className = static::class;
		self::$_instanceArray[$className] = null;
	}
}


1			<?php
2			namespace Redaxscript;
3
4			use function array_key_exists;
5
6			/**
7			* abstract class to create a singleton class
8			*
9			* @since 2.2.0
10			*
11			* @package Redaxscript
12			* @category Singleton
13			* @author Henry Ruhs
14			*
15			* @codeCoverageIgnore
16			*/
17
18			abstract class Singleton
19			{
20			/**
21			* array of static instances
22			*
23			* @var array
24			*/
25
26			protected static $_instanceArray = [];
27
28			/**
29			* constructor of the class
30			*
31			* @since 2.2.0
32			*/
33
34			private function __construct()
35			{
36			}
37
38			/**
39			* clone of the class
40			*
41			* @since 5.0.0
42			*/
43
44			private function __clone()
45			{
46			}
47
48			/**
49			* get the instance
50			*
51			* @since 5.0.0
52			*
53			* @return static
54			*/
55
56			public static function getInstance()
57			{
58			$className = static::class;
59
60			/* create instance */
61
62			if (!array_key_exists($className, static::$_instanceArray))
63			{
64			static::$_instanceArray[$className] = new static();
65			}
66			return static::$_instanceArray[$className];
67			}
68
69			/**
70			* clear the instance
71			*
72			* @since 3.0.0
73			*/
74
75			public static function clearInstance() : void
76			{
77			$className = static::class;
78			self::$_instanceArray[$className] = null;
79			}
80			}
81

redaxscript / redaxscript

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Singleton::getInstance() A

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