Slava

{"tok:IN":[500,600]}

&leftJoin=`{
        "msProductOption":{
            "class":"msProductOption",
            "on":"`tok`.product_id = Data.id AND `tok`.key = 'tok'"
        }
    }`

    &where = `{"0":["`tok`.`value` BETWEEN 500 and 600"]}`

&leftJoin=`{
        "msProductOption":{
            "class":"msProductOption",
            "on":"msProductOption.value = 'tok'"
        }
    }`
    &select=`{
        "msProduct":"*",
        "msProductOption":"CAST(msProductOption.value AS INT) as tok"
    }`
    &where = `{"tok:=":550}`

'where' => '{"Data.options.tok:=":550}'

'{"tok:>":500, "AND:tok:<":600}'

$where['key:LIKE'] = '%myvalue%';

$where[] = array("from-year:=" => $year, "OR:by-year:=" => $year);

$hash = (string) $_POST['hash'];

$_SESSION['pdoPage'][$hash]['where'] = $where;
$output['message'] = $where;
$output['success'] = true;
echo $modx->toJSON($output);
die();

function sendAjaxFilterToServer(fields){

        $.post(document.location.href, {
            action: 'filter',
            fields: fields,
            hash: pdoPage.configs.page.hash

        }, function(data) {

            var tmp = document.location.href;
            pdoPage.keys.page = 0;
            pdoPage.loadPage(tmp, pdoPage.configs.page);

        });
    
    
    }