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

Complexity

Conditions	8
Paths	6

Size

Total Lines	28
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	16
CRAP Score	8.013

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function validate($input)
    {
        $weights = [7, 3, 1, 0, 7, 3, 1, 7, 3];
        if (!preg_match('/^[A-Z0-9]{9}$/', $input)) {
            return false;
        }

        $controlNumber = 0;
        for ($i = 0; $i < 9; ++$i) {
            $value = ord($input[$i]);
            if ($i < 3 && $value <= 57) {
                return false;
            }

            if ($i > 2 && $value >= 65) {
                return false;
            }

            if ($value <= 57) {
                $controlNumber += ($value - 48) * $weights[$i];
                continue;
            }

            $controlNumber += ($value - 55) * $weights[$i];
        }

        return $controlNumber % 10 == $input[3];
    }
}