45 lines
989 B
Plaintext
45 lines
989 B
Plaintext
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++;
|
|
}
|
|
}
|
|
}
|
|
|