|
|
@ -0,0 +1,44 @@ |
|
|
|
class Luhn { |
|
|
|
private string $number; |
|
|
|
|
|
|
|
string getNumber() { |
|
|
|
return $this->number; |
|
|
|
} |
|
|
|
|
|
|
|
void setNumber(string $number) { |
|
|
|
$this->number = $number; |
|
|
|
} |
|
|
|
|
|
|
|
bool validate() { |
|
|
|
string $sum; |
|
|
|
string $revNumber; |
|
|
|
int $len; |
|
|
|
|
|
|
|
$revNumber = strrev($this->number); |
|
|
|
$len = strlen($this->number); |
|
|
|
for(int $i = 0; $i < $len; $i++) { |
|
|
|
$sum += $i & 1 ? $revNumber[$i] * 2 : $revNumber[$i]; |
|
|
|
} |
|
|
|
return array_sum(str_split($sum)) % 10 === 0; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
class Program { |
|
|
|
private const NUMBERS = {'3788803280', '6487308345', '5443489710530865', '5539266155200609', '4024007151066296', '4345234978'}; |
|
|
|
|
|
|
|
void main() { |
|
|
|
int $i, $nums = sizeof($this->NUMBERS); |
|
|
|
object $luhn = new Luhn(); |
|
|
|
|
|
|
|
while($i < $nums) { |
|
|
|
$luhn->setNumber($this->NUMBERS[$i]); |
|
|
|
if($luhn->validate()) { |
|
|
|
print('The number ' + $luhn->getNumber() + ' has passed the Luhn validation.' + "\n"); |
|
|
|
} else { |
|
|
|
print('The number ' + $luhn->getNumber() + ' has NOT passed the Luhn validation.' + "\n"); |
|
|
|
} |
|
|
|
$i++; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|