IsoCodes\Abn::validate()

Complexity

Conditions	4
Paths	5

Size

Total Lines

18

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public static function validate($abn)
    {
        $weights = [10, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19];
        $sum = 0;
        $abn = preg_replace('/[^0-9]/', '', $abn);
        $abn = Utils::unDecorate($abn, [' ']);
        if (mb_strlen($abn) !== 11) {
            return false;
        }
        $abn[0] = ((int)$abn[0] - 1); // Subtract one from first digit
        foreach (str_split($abn) as $key => $digit) {
            $sum += ($digit * $weights[$key]);
        }
        if (($sum % 89) != 0) {
            return false;
        }
        return true;
    }
}