class Luhn {
	private string $number;

	public string getNumber() {
		return $this->number;
	}

	public void setNumber(string $number) {
		$this->number = $number;
	}

	public 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'};

	public 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++;
		}
	}
}