<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

function update_carrier_url()
{
	// Get all carriers
	$sql = '
		SELECT c.`id_carrier`, c.`url`
		FROM `'._DB_PREFIX_.'carrier` c';
	$carriers = Db::getInstance()->executeS($sql);

	// Check each one and erase carrier URL if not correct URL
	foreach ($carriers as $carrier)
		if (empty($carrier['url']) || !preg_match('/^https?:\/\/[:#%&_=\(\)\.\? \+\-@\/a-zA-Z0-9]+$/', $carrier['url']))
			Db::getInstance()->execute('
				UPDATE `'._DB_PREFIX_.'carrier`
				SET `url` = \'\'
				WHERE  `id_carrier`= '.(int)($carrier['id_carrier']));
}