Singleton::__construct() - Code Metrics - Inspection of "Merge pull request #3 from byjg/4.9.0" - byjg/SingletonPatternPHP - Measure and Improve Code Quality continuously with Scrutinizer

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by Joao

created 2023-05-21 20:15 UTC

Singleton::__construct() A

↳ Parent: Singleton

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	0

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	0
c	1
b	0
f	0
dl	0
loc	2
ccs	1
cts	1
cp	1
rs	10
cc	1
nc	1
nop	0
crap	1

<?php

namespace ByJG\DesignPattern;

trait Singleton
{
    protected function __construct()
    {
        // Constructor cannot be public
    }

    /**
     * @throws SingletonException
     */
    public function __clone()
    {
        throw new SingletonException('You can not clone a singleton.');
    }

    /**
     * @throws SingletonException
     */
    public function __sleep()
    {
        throw new SingletonException('You can not serialize a singleton.');
    }

    /**
     * @throws SingletonException
     */
    public function __wakeup()
    {
        throw new SingletonException('You can not deserialize a singleton.');
    }

    /**
     * @return static
     */
    public static function getInstance()
    {
        static $instances;

        $calledClass = get_called_class();

        if (!isset($instances[$calledClass])) {
            $instances[$calledClass] = new $calledClass();
        }
        return $instances[$calledClass];
    }

}


1		<?php
2
3		namespace ByJG\DesignPattern;
4
5		trait Singleton
6		{
7	1	protected function __construct()
8		{
9		// Constructor cannot be public
10	1	}
11
12		/**
13		* @throws SingletonException
14		*/
15	1	public function __clone()
16		{
17	1	throw new SingletonException('You can not clone a singleton.');
18		}
19
20		/**
21		* @throws SingletonException
22		*/
23	1	public function __sleep()
24		{
25	1	throw new SingletonException('You can not serialize a singleton.');
26		}
27
28		/**
29		* @throws SingletonException
30		*/
31		public function __wakeup()
32		{
33		throw new SingletonException('You can not deserialize a singleton.');
34		}
35
36		/**
37		* @return static
38		*/
39	3	public static function getInstance()
40		{
41	3	static $instances;
42
43	3	$calledClass = get_called_class();
44
45	3	if (!isset($instances[$calledClass])) {
46	1	$instances[$calledClass] = new $calledClass();
47		}
48	3	return $instances[$calledClass];
49		}
50
51		}
52

byjg / SingletonPatternPHP

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Singleton::__construct() A

Complexity

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Importance

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