\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/php53/usr/share/pear/Symfony/Component/Validator/Constraints/

Viewing File: IsbnValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Validator\Constraints;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

/**
 * Validates whether the value is a valid ISBN-10 or ISBN-13.
 *
 * @author The Whole Life To Learn <thewholelifetolearn@gmail.com>
 *
 * @see https://en.wikipedia.org/wiki/Isbn
 */
class IsbnValidator extends ConstraintValidator
{
    /**
     * {@inheritDoc}
     */
    public function validate($value, Constraint $constraint)
    {
        if (null === $value || '' === $value) {
            return;
        }

        if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
            throw new UnexpectedTypeException($value, 'string');
        }

        if (!is_numeric($value)) {
            $value = str_replace('-', '', $value);
        }

        $validation = 0;
        $value = strtoupper($value);
        $valueLength = strlen($value);

        if (10 === $valueLength && null !== $constraint->isbn10) {
            for ($i = 0; $i < 10; $i++) {
                if ($value[$i] == 'X') {
                    $validation += 10 * intval(10 - $i);
                } else {
                    $validation += intval($value[$i]) * intval(10 - $i);
                }
            }

            if ($validation % 11 != 0) {
                if (null !== $constraint->isbn13) {
                    $this->context->addViolation($constraint->bothIsbnMessage);
                } else {
                    $this->context->addViolation($constraint->isbn10Message);
                }
            }
        } elseif (13 === $valueLength && null !== $constraint->isbn13) {
            for ($i = 0; $i < 13; $i += 2) {
                $validation += intval($value[$i]);
            }
            for ($i = 1; $i < 12; $i += 2) {
                $validation += intval($value[$i]) * 3;
            }

            if ($validation % 10 != 0) {
                if (null !== $constraint->isbn10) {
                    $this->context->addViolation($constraint->bothIsbnMessage);
                } else {
                    $this->context->addViolation($constraint->isbn13Message);
                }
            }
        } else {
            if (null !== $constraint->isbn10 && null !== $constraint->isbn13) {
                $this->context->addViolation($constraint->bothIsbnMessage);
            } elseif (null !== $constraint->isbn10) {
                $this->context->addViolation($constraint->isbn10Message);
            } else {
                $this->context->addViolation($constraint->isbn13Message);
            }
        }
    }
}