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

Complexity

Conditions	7
Paths	7

Size

Total Lines	43
Code Lines	26

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	13.779

Importance

Changes	2
Bugs	1	Features	0

<?php
    public function validate($input)
    {
        if (preg_match('/^(\d{8})([A-Z])$/', $input, $matches)) {
            // DNI
            $code = (int) $matches[1];
            $control = $matches[2];

            return substr('TRWAGMYFPDXBNJZSQVHLCKE', $code % 23, 1) === $control;
        } elseif (preg_match('/^([KLMXYZ])(\d{7})([A-Z])$/', $input, $matches)) {
            // NIE
            $code = (int) (static::$nieKeyValues[$matches[1]] . $matches[2]);
            $control = $matches[3];

            return substr('TRWAGMYFPDXBNJZSQVHLCKE', $code % 23, 1) === $control;
        } elseif (preg_match('/^([ABCDEFGHJNPQRSUVW])(\d{7})([0-9A-Z])$/', $input, $matches)) {
            // CIF
            $control = $matches[3];

            $code = 0;
            array_walk(
                str_split($matches[2]),

str_split($matches[2]) cannot be passed to array_walk() as the parameter $array expects a reference.

                function ($value, $key) use (&$code) {
                    if (($key + 1) % 2 === 0) {
                        $code += $value;
                    } else {
                        $code += array_sum(str_split($value * 2));
                    }
                }
            );
            $controlKey = end(str_split($code));

str_split($code) cannot be passed to end() as the parameter $array expects a reference.

            if ($controlKey !== 0) {
                $controlKey = 10 - $controlKey;
            }

            if (is_numeric($control)) {
                return $controlKey === (int) $control;
            }

            return substr('JABCDEFGHI', $controlKey % 10, 1) === $control;
        }

        return false;
    }
}