smartemailing/types

<?php

declare(strict_types = 1);

namespace SmartEmailing\Types\Helpers;

abstract class ValidationHelpers
{

    /**
     * @param array<mixed> $array
     */
    final public static function isTypedObjectArray(
        array $array,
        string $typeName
    ): bool {
        foreach ($array as $item) {
            if (!($item instanceof $typeName)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Validates multidimensional array to have scalar or NULL leaves
     *
     * @param array<mixed> $array
     */
    final public static function isScalarLeavesArray(
        array $array
    ): bool {
        foreach ($array as $item) {
            if (\is_array($item)) {
                $isScalar = self::isScalarLeavesArray($item);

                if (!$isScalar) {
                    return false;
                }
            } elseif ($item !== null && !\is_scalar($item)) {
                return false;
            }
        }

        return true;
    }

}