View GitHub Repository Validation

Schedule Inspection

Scrutinizer GitHub App not installed

We could not synchronize checks via GitHub's checks API since Scrutinizer's GitHub App is not installed for this repository.

Install GitHub App

Passed
Pull Request — master (#1087)
by Henrique
03:56 queued 01:10
created

Luhn::isLuhn()   A

↳ Parent: Luhn

Complexity

Conditions 4
Paths 4

Size

Total Lines 17
Code Lines 11

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 12
CRAP Score 4

Importance

Changes 0
Metric Value
cc 4
eloc 11
nc 4
nop 1
dl 0
loc 17
ccs 12
cts 12
cp 1
crap 4
rs 9.9
c 0
b 0
f 0
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    3
                

                                    
                                                    
                
                
                
/*

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    4
                

                                    
                                                    
                
                
                
 * This file is part of Respect/Validation.

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    5
                

                                    
                                                    
                
                
                
 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    6
                

                                    
                                                    
                
                
                
 * (c) Alexandre Gomes Gaigalas <[email protected]>

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    7
                

                                    
                                                    
                
                
                
 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    8
                

                                    
                                                    
                
                
                
 * For the full copyright and license information, please view the "LICENSE.md"

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    9
                

                                    
                                                    
                
                
                
 * file that was distributed with this source code.

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    10
                

                                    
                                                    
                
                
                
 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    11
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    12
                

                                    
                                                    
                
                
                
declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    13
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    14
                

                                    
                                                    
                
                
                
namespace Respect\Validation\Rules;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    15
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    16
                

                                    
                                                    
                
                
                
/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    17
                

                                    
                                                    
                
                
                
 * @see https://en.wikipedia.org/wiki/Luhn_algorithm

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    18
                

                                    
                                                    
                
                
                
 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    19
                

                                    
                                                    
                
                
                
class Luhn extends AbstractRule

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    20
                

                                    
                                                    
                
                
                
{

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    21
                

                                    
                                                    
                
                
                
    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    22
                

                                    
                                                    
                
                
                
     * {@inheritdoc}

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    23
                

                                    
                                                    
                
                
                
     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    24
                

                                    
                             10                         
                
                
                
    public function isValid($input): bool

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    25
                

                                    
                                                    
                
                
                
    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    26
                

                                    
                             10                         
                
                
                
        if (!(new Digit())->isValid($input)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    27
                

                                    
                                                    
                
                
                
            return false;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    28
                

                                    
                                                    
                
                
                
        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    29
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    30
                

                                    
                             10                         
                
                
                
        return $this->isLuhn($input);

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    31
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    32
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    33
                

                                    
                             10                         
                
                
                
    private function isLuhn($input): bool

            


            
                                                                        
                            
            
                                    
            
            

                
                    34
                

                                    
                                                    
                
                
                
    {

            


            
                                                                        
                            
            
                                    
            
            

                
                    35
                

                                    
                             10                         
                
                
                
        $sum = 0;

            


            
                                                                        
                            
            
                                    
            
            

                
                    36
                

                                    
                             10                         
                
                
                
        $numDigits = mb_strlen($input);

            


            
                                                                        
                            
            
                                    
            
            

                
                    37
                

                                    
                             10                         
                
                
                
        $parity = $numDigits % 2;

            


            
                                                                        
                            
            
                                    
            
            

                
                    38
                

                                    
                             10                         
                
                
                
        for ($i = 0; $i < $numDigits; ++$i) {

            


            
                                                                        
                            
            
                                    
            
            

                
                    39
                

                                    
                             10                         
                
                
                
            $digit = mb_substr($input, $i, 1);

            


            
                                                                        
                            
            
                                    
            
            

                
                    40
                

                                    
                             10                         
                
                
                
            if ($parity == ($i % 2)) {

            


            
                                                                        
                            
            
                                    
            
            

                
                    41
                

                                    
                             10                         
                
                
                
                $digit <<= 1;

            


            
                                                                        
                            
            
                                    
            
            

                
                    42
                

                                    
                             10                         
                
                
                
                if (9 < $digit) {

            


            
                                                                        
                            
            
                                    
            
            

                
                    43
                

                                    
                             6                         
                
                
                
                    $digit = $digit - 9;

            


            
                                                                        
                            
            
                                    
            
            

                
                    44
                

                                    
                                                    
                
                
                
                }

            


            
                                                                        
                            
            
                                    
            
            

                
                    45
                

                                    
                                                    
                
                
                
            }

            


            
                                                                        
                            
            
                                    
            
            

                
                    46
                

                                    
                             10                         
                
                
                
            $sum += $digit;

            


            
                                                                        
                            
            
                                    
            
            

                
                    47
                

                                    
                                                    
                
                
                
        }

            


            
                                                                        
                            
            
                                    
            
            

                
                    48
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    49
                

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

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    50
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    51
                

                                    
                                                    
                
                
                
}

            


            
                                                        
            
                                    
            
            

                
                    52