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<?php
/**
* Copyright (c) 2015–2018 Alexandr Viniychuk <http://youshido.com>.
* Copyright (c) 2015–2018 Portey Vasil <https://github.com/portey>.
* Copyright (c) 2018 Ryan Parman <https://github.com/skyzyx>.
* Copyright (c) 2018 Ashley Hutson <https://github.com/asheliahut>.
* Copyright (c) 2015–2018 Contributors.
*
* http://opensource.org/licenses/MIT
*/
declare(strict_types=1);
/*
* This file is a part of graphql-youshido project.
* @author Alexandr Viniychuk <[email protected]>
* created: 11/27/15 1:22 AM
namespace Youshido\GraphQL\Type\Scalar;
class BooleanType extends AbstractScalarType
{
public function getName()
return 'Boolean';
}
public function serialize($value)
if ('true' === $value) {
return true;
if ('false' === $value) {
return false;
return (bool) $value;
public function isValidValue($value)
return null === $value || \is_bool($value) || (\is_int($value) && (0 === $value || 1 === $value));
public function getDescription()
return 'The `Boolean` scalar type represents `true` or `false`.';
Youshido /
GraphQL
