Respect\Validation\Rules\Locale\PlVatin::validate()

Complexity

Conditions	4
Paths	4

Size

Total Lines	23
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function validate($input)
    {
        if (!is_scalar($input)) {
            return false;
        }

        if (!preg_match('/^\d{10}$/', (string) $input)) {
            return false;
        }

        $weights = [6, 5, 7, 2, 3, 4, 5, 6, 7];

        $targetControlNumber = $input[9];
        $calculateControlNumber = 0;

        for ($i = 0; $i < 9; ++$i) {
            $calculateControlNumber += $input[$i] * $weights[$i];
        }

        $calculateControlNumber = $calculateControlNumber % 11;

        return $targetControlNumber == $calculateControlNumber;
    }
}