respect-validation/library/Rules/NotBlank.php

<?php

/*
 * This file is part of Respect/Validation.
 *
 * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
 *
 * For the full copyright and license information, please view the "LICENSE.md"
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Respect\Validation\Rules;

use stdClass;

class NotBlank extends AbstractRule
{
    public function validate($input): bool
    {
        if (is_numeric($input)) {
            return 0 != $input;
        }

        if (is_string($input)) {
            $input = trim($input);
        }

        if ($input instanceof stdClass) {
            $input = (array) $input;
        }

        if (is_array($input)) {
            $input = array_filter($input, __METHOD__);
        }

        return !empty($input);
    }
}