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<?php
namespace TheCodingMachine\GraphQL\Controllers\Types;
use InvalidArgumentException;
use TheCodingMachine\GraphQL\Controllers\GraphQLException;
/**
* A class that maps to the GraphQL ID type.
*/
class ID
{
private $value;
public function __construct($value)
if (! is_scalar($value) && (! is_object($value) || ! method_exists($value, '__toString'))) {
throw new InvalidArgumentException('ID constructor cannot be passed a non scalar value.');
}
$this->value = $value;
* @return bool|float|int|string
public function val()
return $this->value;
public function __toString()
return (string) $this->value;
thecodingmachine /
graphql-controllers
