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<?php
namespace League\JsonGuard\Constraints;
use League\JsonGuard\Assert;
use League\JsonGuard\ValidationError;
use League\JsonGuard\Validator;
class MultipleOf implements Constraint
{
const KEYWORD = 'multipleOf';
/**
* @var int|null
*/
private $precision;
* @param int|null $precision
public function __construct($precision = 10)
$this->precision = $precision;
}
* {@inheritdoc}
public function validate($value, $parameter, Validator $validator)
Assert::type($parameter, 'number', self::KEYWORD, $validator->getPointer());
Assert::nonNegative($parameter, self::KEYWORD, $validator->getPointer());
if (!is_numeric($value)) {
return null;
$quotient = bcdiv($value, $parameter, $this->precision);
$mod = bcsub($quotient, floor($quotient), $this->precision);
if (bccomp($mod, 0, $this->precision) === 0) {
return new ValidationError(
'Number {value} is not a multiple of {multiple_of}',
self::KEYWORD,
$value,
$validator->getPointer(),
['value' => $value, 'multiple_of' => $parameter]
);
thephpleague /
json-guard
