Data Types

webonyx/graphql-php includes the basic GraphQL types.

This library has many other types that are primarily used to map Doctrine types to GraphQL types.

Data Type Mappings

Data Type Mappings

GraphQL and Doctrine	PHP	Javascript
bigint	string	integer or string
blob	string (binary)	Base64 encoded string
boolean	boolean	boolean
date	DateTime	string as Y-m-d
date_immutable	DateTimeImmutable	string as Y-m-d
datetime	DateTime	ISO 8601 date string
datetime_immutable	DateTimeImmutable	ISO 8601 date string
datetimetz	DateTime	ISO 8601 date string
datetimetz_immutable	DateTimeImmutable	ISO 8601 date string
decimal	string	float
float	float	float
int & integer	integer	integer
json	string	string of json
simple_array	array of strings	array of strings
smallint	integer	integer
string	string	string
text	string	string
time	DateTime	string as H:i:s or H:i:s.u
time_immutable	DateTimeImmutable	string as H:i:s or H:i:s.u

See also Doctrine Mapping Types.

Using Types

You may use any of the above types freely such as a blob for an input type.

use ApiSkeletons\Doctrine\ORM\GraphQL\Type\TypeContainer;

$schema = new Schema([
    'mutation' => new ObjectType([
        'name' => 'mutation',
        'fields' => [
            'uploadFile' => [
                'type' => $driver->type(ArtistFile::class),
                'args' => [
                    'file' => $driver->type('blob'),
                ],
                'resolve' => function ($root, array $args, $context, ResolveInfo $info) use ($driver) {
                    /**
                     * $args['file'] will be sent base64 encoded then
                     * unencoded in the PHP type so by the time it gets
                     * here it is already an uploaded file
                     */

                    // ...save to doctrine blob column
                },
            ],
        ],
    ]),
]);

Custom Types

If your schema has a timestamp type, that data type is not supported by this library. But adding the type is just a matter of creating a new Timestamp type extending GraphQL\Type\Definition\ScalarType then adding the type to the type container.

$driver->get(TypeContainer::class)
    ->set('timestamp', fn() => new Timestamp());

See also Serve a CSV Field as a GraphQL Array.

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Authored by API Skeletons.