StringUtilsTrait::generateV4Uuid() - Code Metrics - Inspection of "Merge pull request #277 from acelaya/feature/incre..." - shlinkio/shlink - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 67e465...aa77c9 )

by Alejandro

created 2018-11-17 18:37 UTC

StringUtilsTrait::generateV4Uuid() A

↳ Parent: StringUtilsTrait

Complexity

Conditions	1
Paths	1

Size

Total Lines	20
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	10
nc	1
nop	0
dl	0
loc	20
rs	9.9332
c	0
b	0
f	0
ccs	11
cts	11
cp	1
crap	1

<?php
declare(strict_types=1);

namespace Shlinkio\Shlink\Common\Util;

use function random_int;
use function sprintf;
use function strlen;

trait StringUtilsTrait
{
    private function generateRandomString(int $length = 10): string
    {
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $charactersLength = strlen($characters);
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[random_int(0, $charactersLength - 1)];
        }

        return $randomString;
    }

    private function generateV4Uuid(): string
    {
        return sprintf(
            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
            // 32 bits for "time_low"
            random_int(0, 0xffff),
            random_int(0, 0xffff),
            // 16 bits for "time_mid"
            random_int(0, 0xffff),
            // 16 bits for "time_hi_and_version",
            // four most significant bits holds version number 4
            random_int(0, 0x0fff) | 0x4000,
            // 16 bits, 8 bits for "clk_seq_hi_res",
            // 8 bits for "clk_seq_low",
            // two most significant bits holds zero and one for variant DCE1.1
            random_int(0, 0x3fff) | 0x8000,
            // 48 bits for "node"
            random_int(0, 0xffff),
            random_int(0, 0xffff),
            random_int(0, 0xffff)
        );
    }
}


1		<?php
2		declare(strict_types=1);
3
4		namespace Shlinkio\Shlink\Common\Util;
5
6		use function random_int;
7		use function sprintf;
8		use function strlen;
9
10		trait StringUtilsTrait
11		{
12	3	private function generateRandomString(int $length = 10): string
13		{
14	3	$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
15	3	$charactersLength = strlen($characters);
16	3	$randomString = '';
17	3	for ($i = 0; $i < $length; $i++) {
18	3	$randomString .= $characters[random_int(0, $charactersLength - 1)];
19		}
20
21	3	return $randomString;
22		}
23
24	14	private function generateV4Uuid(): string
25		{
26	14	return sprintf(
27	14	'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
28		// 32 bits for "time_low"
29	14	random_int(0, 0xffff),
30	14	random_int(0, 0xffff),
31		// 16 bits for "time_mid"
32	14	random_int(0, 0xffff),
33		// 16 bits for "time_hi_and_version",
34		// four most significant bits holds version number 4
35	14	random_int(0, 0x0fff) \| 0x4000,
36		// 16 bits, 8 bits for "clk_seq_hi_res",
37		// 8 bits for "clk_seq_low",
38		// two most significant bits holds zero and one for variant DCE1.1
39	14	random_int(0, 0x3fff) \| 0x8000,
40		// 48 bits for "node"
41	14	random_int(0, 0xffff),
42	14	random_int(0, 0xffff),
43	14	random_int(0, 0xffff)
44		);
45		}
46		}
47

shlinkio / shlink

Push — master ( 67e465...aa77c9 )

StringUtilsTrait::generateV4Uuid() A

Complexity

Size

Duplication

Code Coverage

Importance

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