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* * For the full copyright and license information, please view the LICENSE file * that was distributed with this source code. */ declare(strict_types=1); namespace Respect\Validation\Rules; use function filter_var; use const FILTER_VALIDATE_INT; /** * Validates whether the input is an even number or not. * * @author Henrique Moody
* @author Jean Pimentel
* @author Paul Karikari
*/ final class Even extends AbstractRule { /** * {@inheritDoc} */ public function validate($input): bool { if (filter_var($input, FILTER_VALIDATE_INT) === false) { return false; } return (int) $input % 2 === 0; } }