CreditCardRule::validate() - Code Metrics - bluzphp/framework - Measure and Improve Code Quality continuously with Scrutinizer

CreditCardRule::validate() A
last analyzed 2021-12-30 11:07 UTC

↳ Parent: CreditCardRule

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	4
nc	2
nop	1
dl	0
loc	9
ccs	5
cts	5
cp	1
crap	2
rs	10
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('([ \.-])', '', (string) $input);

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

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

    /**
     * Verify by Mod10
     *
     * @param string $input
     *
     * @return bool
     */
    private function verifyMod10(string $input): bool
    {
        $sum = 0;
        $input = strrev($input);
        $inputLen = \strlen($input);
        for ($i = 0; $i < $inputLen; $i++) {
            $current = $input[$i];
            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		/**
4		* Bluz Framework Component
5		*
6		* @copyright Bluz PHP Team
7		* @link https://github.com/bluzphp/framework
8		*/
9
10		declare(strict_types=1);
11
12		namespace Bluz\Validator\Rule;
13
14		/**
15		* Check credit card number by Mod10 algorithm
16		*
17		* @package Bluz\Validator\Rule
18		* @link https://en.wikipedia.org/wiki/Luhn_algorithm
19		*/
20		class CreditCardRule extends AbstractRule
21		{
22		/**
23		* @var string error template
24		*/
25		protected $description = 'must be a valid Credit Card number';
26
27		/**
28		* Check input data
29		*
30		* @param string $input
31		*
32		* @return bool
33		*/
34	11	public function validate($input): bool
35		{
36	11	$input = preg_replace('([ \.-])', '', (string) $input);
37
38	11	if (!is_numeric($input)) {
39	4	return false;
40		}
41
42	7	return $this->verifyMod10($input);
43		}
44
45		/**
46		* Verify by Mod10
47		*
48		* @param string $input
49		*
50		* @return bool
51		*/
52	7	private function verifyMod10(string $input): bool
53		{
54	7	$sum = 0;
55	7	$input = strrev($input);
56	7	$inputLen = \strlen($input);
57	7	for ($i = 0; $i < $inputLen; $i++) {
58	7	$current = $input[$i];
59	7	if ($i % 2 === 1) {
60	7	$current *= 2;
61	7	if ($current > 9) {
62	5	$firstDigit = $current % 10;
63	5	$secondDigit = ($current - $firstDigit) / 10;
64	5	$current = $firstDigit + $secondDigit;
65		}
66		}
67	7	$sum += $current;
68		}
69
70	7	return ($sum % 10 === 0);
71		}
72		}
73

bluzphp / framework

CreditCardRule::validate() A last analyzed 2021-12-30 11:07 UTC

Complexity

Size

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CreditCardRule::validate() A
last analyzed 2021-12-30 11:07 UTC