validate_array()

Complexity

Conditions	11
Paths	7

Size

Total Lines	39
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	11

Importance

Changes

0

<?php declare(strict_types=1);
function validate_array(array $data, array $fields, ?string $exception = null): bool
{
    $isInt = count(array_filter(array_keys($fields), 'is_int')) === count($fields);

    foreach ($fields as $field => $type) {
        if ($isInt) {
            $field = $type;
            assert(is_string($field));
        }

        /** @psalm-suppress PossiblyInvalidArrayOffset */
        if ((! isset($data[$field]) && // This is faster,
                // but it will also return false on fields which
                // value is null, so calling array_key_exists when that happens.
                ! array_key_exists($field, $data)) ||
            (
                ! $isInt && (
                    (
                        is_string($type) && gettype($data[$field]) !== $type
                    ) ||
                    (
                        is_array($type) && ! in_array(gettype($data[$field]), $type, true)
                    )
                )
            )
        ) {
            if ($exception === null) {
                return false;
            }

            /**
             * @psalm-suppress InvalidThrow
             * @psalm-suppress InvalidStringClass
             */
            throw new $exception($data, $field);
        }
    }

    return true;
}