63 lines
1.6 KiB
PHP
63 lines
1.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* Validates that values are a multiple of the given number.
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*
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* @author Colin O'Dell <colinodell@gmail.com>
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*/
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class DivisibleByValidator extends AbstractComparisonValidator
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{
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/**
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* {@inheritdoc}
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*/
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protected function compareValues($value1, $value2)
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{
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if (!is_numeric($value1)) {
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throw new UnexpectedValueException($value1, 'numeric');
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}
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if (!is_numeric($value2)) {
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throw new UnexpectedValueException($value2, 'numeric');
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}
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if (!$value2 = abs($value2)) {
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return false;
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}
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if (\is_int($value1 = abs($value1)) && \is_int($value2)) {
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return 0 === ($value1 % $value2);
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}
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if (!$remainder = fmod($value1, $value2)) {
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return true;
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}
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if (\is_float($value2) && \INF !== $value2) {
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$quotient = $value1 / $value2;
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$rounded = round($quotient);
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return sprintf('%.12e', $quotient) === sprintf('%.12e', $rounded);
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}
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return sprintf('%.12e', $value2) === sprintf('%.12e', $remainder);
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}
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/**
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* {@inheritdoc}
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*/
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protected function getErrorCode()
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{
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return DivisibleBy::NOT_DIVISIBLE_BY;
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}
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}
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