jsonconverter.php

<?
namespace Bitrix\Fileman\Block\Content;
 
use Bitrix\Main\Web\Json;
use Bitrix\Main\ArgumentException;
use Bitrix\Main\Localization\Loc;
 
Loc::loadMessages(__FILE__);
 
class JsonConverter implements IConverter
{
    public static function isValid($string)
    {
        $string = trim($string);
        $char = mb_substr($string, 0, 1);
        if(!in_array($char, array('{', '[')))
        {
            return false;
        }
        $char = mb_substr($string, -1);
        if(!in_array($char, array('}', ']')))
        {
            return false;
        }
 
        try
        {
            $r = Json::decode($string);
            return is_array($r);
        }
        catch (ArgumentException $exception)
        {
            return false;
        }
    }
 
    public static function toArray($string)
    {
        $blockContent = new BlockContent();
        try
        {
            $list = Json::decode($string);
            if (!is_array($list))
            {
                return $blockContent;
            }
        }
        catch (ArgumentException $exception)
        {
            return $blockContent;
        }
 
        foreach ($list as $item)
        {
            $type = trim($item['type']);
            $place = trim($item['place']);
            $value = trim($item['value']);
            $blockContent->add($type, $place, $value);
        }
 
        return $blockContent;
    }
}