Respect\Validation\Rules\Pesel::validate()

Complexity

Conditions	4
Paths	3

Size

Total Lines	19
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	4

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function validate($pesel)
    {
        $weights = [1, 3, 7, 9, 1, 3, 7, 9, 1, 3];

        if (!is_numeric($pesel) || strlen($pesel) != 11) {
            return false;
        }

        $targetControlNumber = $pesel[10];
        $calculateControlNumber = 0;

        for ($i = 0; $i < 10; $i++) {
            $calculateControlNumber += $pesel[$i] * $weights[$i];
        }

        $calculateControlNumber = (10 - $calculateControlNumber % 10) % 10;

        return $targetControlNumber == $calculateControlNumber;
    }
}