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