CreditCardRule::verifyMod10() - Code Metrics - Inspection of "Refactoring Validator's package" - bluzphp/framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#430)

by Anton

created 2017-07-26 14:51 UTC

CreditCardRule::verifyMod10() A

↳ Parent: CreditCardRule

Complexity

Conditions	4
Paths	4

Size

Total Lines	19
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
eloc	13
nc	4
nop	1
dl	0
loc	19
rs	9.2
c	0
b	0
f	0

<?php
/**
 * Bluz Framework Component
 *
 * @copyright Bluz PHP Team
 * @link      https://github.com/bluzphp/framework
 */

declare(strict_types=1);

namespace Bluz\Validator\Rule;

/**
 * Check credit card number by Mod10 algorithm
 *
 * @package Bluz\Validator\Rule
 * @link    https://en.wikipedia.org/wiki/Luhn_algorithm
 */
class CreditCardRule extends AbstractRule
{
    /**
     * @var string error template
     */
    protected $description = 'must be a valid Credit Card number';

    /**
     * Check input data
     *
     * @param  string $input
     *
     * @return bool
     */
    public function validate($input): bool
    {
        $input = preg_replace('([ \.-])', '', $input);

        if (!is_numeric($input)) {
            return false;
        }

        return $this->verifyMod10($input);
    }

    /**
     * Verify by Mod10
     *
     * @param  string $input
     *
     * @return bool
     */
    private function verifyMod10($input)
    {
        $sum = 0;
        $input = strrev($input);
        for ($i = 0; $i < strlen($input); $i++) {
            $current = substr($input, $i, 1);
            if ($i % 2 == 1) {
                $current *= 2;
                if ($current > 9) {
                    $firstDigit = $current % 10;
                    $secondDigit = ($current - $firstDigit) / 10;
                    $current = $firstDigit + $secondDigit;
                }
            }
            $sum += $current;
        }

        return ($sum % 10 == 0);
    }
}


1			<?php
2			/**
3			* Bluz Framework Component
4			*
5			* @copyright Bluz PHP Team
6			* @link https://github.com/bluzphp/framework
7			*/
8
9			declare(strict_types=1);
10
11			namespace Bluz\Validator\Rule;
12
13			/**
14			* Check credit card number by Mod10 algorithm
15			*
16			* @package Bluz\Validator\Rule
17			* @link https://en.wikipedia.org/wiki/Luhn_algorithm
18			*/
19			class CreditCardRule extends AbstractRule
20			{
21			/**
22			* @var string error template
23			*/
24			protected $description = 'must be a valid Credit Card number';
25
26			/**
27			* Check input data
28			*
29			* @param string $input
30			*
31			* @return bool
32			*/
33			public function validate($input): bool
34			{
35			$input = preg_replace('([ \.-])', '', $input);
36
37			if (!is_numeric($input)) {
38			return false;
39			}
40
41			return $this->verifyMod10($input);
42			}
43
44			/**
45			* Verify by Mod10
46			*
47			* @param string $input
48			*
49			* @return bool
50			*/
51			private function verifyMod10($input)
52			{
53			$sum = 0;
54			$input = strrev($input);
55			for ($i = 0; $i < strlen($input); $i++) {
56			$current = substr($input, $i, 1);
57			if ($i % 2 == 1) {
58			$current *= 2;
59			if ($current > 9) {
60			$firstDigit = $current % 10;
61			$secondDigit = ($current - $firstDigit) / 10;
62			$current = $firstDigit + $secondDigit;
63			}
64			}
65			$sum += $current;
66			}
67
68			return ($sum % 10 == 0);
69			}
70			}
71

bluzphp / framework

Pull Request — master (#430)

CreditCardRule::verifyMod10() A

Complexity

Size

Duplication

Importance

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