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<?php
/**
* Copyright since 2007 PrestaShop SA and Contributors
* PrestaShop is an International Registered Trademark & Property of PrestaShop SA
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License version 3.0
* that is bundled with this package in the file LICENSE.md.
* It is also available through the world-wide-web at this URL:
* https://opensource.org/licenses/AFL-3.0
* 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.
*
* @author PrestaShop SA and Contributors <contact@prestashop.com>
* @copyright Since 2007 PrestaShop SA and Contributors
* @license https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
*/
namespace PrestaShop\Module\Ps_metrics\Helper;
class JsonHelper
{
/**
* Encode the data to json and check and force the return to empty string if false
*
* @param mixed $data
*
* @return string
*/
public function jsonEncode($data)
{
$json = json_encode($data);
if (empty($data)) {
$json = json_encode($data, JSON_FORCE_OBJECT);
}
if (false !== $json) {
return $json;
}
return '';
}
/**
* Check if the json is valid and returns an empty data if not
*
* @param string|false $json
* @param bool $assoc
*
* @return array $data
*/
public function jsonDecode($json, bool $assoc = true)
{
if ($json) {
$data = json_decode($json, $assoc);
if (JSON_ERROR_NONE === json_last_error()) {
return $data;
}
}
return [];
}
/**
* Check if string is JSON
*
* @param string $string
*
* @return bool
*/
public function isJson(string $string)
{
json_decode($string);
return json_last_error() == JSON_ERROR_NONE;
}
}