51 lines
1.3 KiB
PHP
51 lines
1.3 KiB
PHP
<?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\Intl\Intl;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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* Validates whether a value is a valid currency
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*
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* @author Miha Vrhovnik <miha.vrhovnik@pagein.si>
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*
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* @api
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*/
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class CurrencyValidator extends ConstraintValidator
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{
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/**
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* {@inheritdoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (null === $value || '' === $value) {
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return;
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}
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if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
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throw new UnexpectedTypeException($value, 'string');
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}
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$value = (string) $value;
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$currencies = Intl::getCurrencyBundle()->getCurrencyNames();
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if (!isset($currencies[$value])) {
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$this->context->addViolation($constraint->message, array(
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'{{ value }}' => $value,
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));
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}
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}
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}
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