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<?php
/*
* 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 DateTimeType extends AbstractScalarType
{
private $format;
public function __construct($format = 'Y-m-d H:i:s')
$this->format = $format;
}
public function getName()
return 'DateTime';
/**
* @param $value \DateTime
* @return null|string
public function serialize($value)
if ($value === null) {
return null;
return $value->format($this->format);
public function parseValue($value)
return is_object($value) ? $this->serialize($value) : $value;
public function isValidValue($value)
if (is_object($value)) {
return true;
$d = \DateTime::createFromFormat($this->format, $value);
return $d && $d->format($this->format) == $value;
public function getDescription()
return 'Representation of date and time in "Y-m-d H:i:s" format';
Youshido /
GraphQL
