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

Complexity

Conditions	5
Paths	3

Size

Total Lines	21
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	5

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function validate($input)
    {
        if (!is_numeric($input)
            || !filter_var($input, FILTER_VALIDATE_INT)
            || strlen($input) != 11) {
            return false;
        }

        $weights = [1, 3, 7, 9, 1, 3, 7, 9, 1, 3];

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

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

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

        return $targetControlNumber == $calculateControlNumber;
    }
}