Luhn::unDecorate() - Code Metrics - Inspection of "| Q | A" - ronanguilloux/IsoCodes - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Ronan

created 2017-08-08 17:13 UTC

Luhn::unDecorate() A

↳ Parent: Luhn

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
dl	0
loc	10
rs	9.4285
c	1
b	0
f	0
cc	2
eloc	5
nc	2
nop	2

<?php

namespace IsoCodes;

/**
 * Abstract Class Luhn.
 *
 * @link https://en.wikipedia.org/wiki/Luhn_algorithm
 */
abstract class Luhn
{
    /**
     * @param string $luhn
     * @param int    $length
     * @param bool   $unDecorate
     * @param array  $hyphens
     *
     * @return bool
     */
    public static function check($luhn, $length, $unDecorate = true, $hyphens = [])
    {
        $luhn = $unDecorate ? self::unDecorate($luhn, $hyphens) : $luhn;
        if (strlen($luhn) != $length) {
            return false;
        }
        $expr = sprintf('/\\d{%d}/i', $length);
        if (!preg_match($expr, $luhn)) {
            return false;
        }
        if (0 === (int) $luhn) {
            return false;
        }
        $check = 0;

        for ($i = 0; $i < $length; $i += 2) {
            if ($length % 2 == 0) {
                $check += 3 * (int) substr($luhn, $i, 1);
                $check += (int) substr($luhn, $i + 1, 1);
            } else {
                $check += (int) substr($luhn, $i, 1);
                $check += 3 * (int) substr($luhn, $i + 1, 1);
            }
        }

        return $check % 10 == 0;
    }

    /**
     * @param string $luhn
     * @param array  $hyphens
     *
     * @return string
     */
    public static function unDecorate($luhn, $hyphens = [])
    {
        $hyphensLength = count($hyphens);
        // removing hyphens
        for ($i = 0; $i < $hyphensLength; ++$i) {
            $luhn = str_replace($hyphens[$i], '', $luhn);
        }

        return $luhn;
    }
}


1			<?php
2
3			namespace IsoCodes;
4
5			/**
6			* Abstract Class Luhn.
7			*
8			* @link https://en.wikipedia.org/wiki/Luhn_algorithm
9			*/
10			abstract class Luhn
11			{
12			/**
13			* @param string $luhn
14			* @param int $length
15			* @param bool $unDecorate
16			* @param array $hyphens
17			*
18			* @return bool
19			*/
20			public static function check($luhn, $length, $unDecorate = true, $hyphens = [])
21			{
22			$luhn = $unDecorate ? self::unDecorate($luhn, $hyphens) : $luhn;
23			if (strlen($luhn) != $length) {
24			return false;
25			}
26			$expr = sprintf('/\\d{%d}/i', $length);
27			if (!preg_match($expr, $luhn)) {
28			return false;
29			}
30			if (0 === (int) $luhn) {
31			return false;
32			}
33			$check = 0;
34
35			for ($i = 0; $i < $length; $i += 2) {
36			if ($length % 2 == 0) {
37			$check += 3 * (int) substr($luhn, $i, 1);
38			$check += (int) substr($luhn, $i + 1, 1);
39			} else {
40			$check += (int) substr($luhn, $i, 1);
41			$check += 3 * (int) substr($luhn, $i + 1, 1);
42			}
43			}
44
45			return $check % 10 == 0;
46			}
47
48			/**
49			* @param string $luhn
50			* @param array $hyphens
51			*
52			* @return string
53			*/
54			public static function unDecorate($luhn, $hyphens = [])
55			{
56			$hyphensLength = count($hyphens);
57			// removing hyphens
58			for ($i = 0; $i < $hyphensLength; ++$i) {
59			$luhn = str_replace($hyphens[$i], '', $luhn);
60			}
61
62			return $luhn;
63			}
64			}
65

ronanguilloux / IsoCodes

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Luhn::unDecorate() A

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