Доска объявлений на tickets

[[$search_form]]

[[!pdoPage?
	&element=`mSearch2`
	&showLog=`1`
	&limit=`10`
	&where=`[[!get_search_where?]]`
	&includeTVs=`topic_bar_cat,topic_price,topic_torg,topic_sity`
	&tpl=`My.tpl.mSearch2.row`
]]

<div class="pagination">
	[[!+page.nav]]
</div>

{"class_key": "Ticket","topic_sity":"минск"}

<?php
$where = array('class_key'=>'Ticket');
$get_params = array('topic_sity','topic_bar_cat', 'parent');

foreach($get_params as $p){
    if(isset($_GET[$p])){
        $modx->setPlaceholder($p,$_GET[$p]);
        if($_GET[$p]!='' and $_GET[$p]!=0){
            $where[$p]= $_GET[$p];
        }
    }
}
$p = 'price_from';
if(isset($_GET[$p])){
    if($_GET[$p]!=''){
        $modx->setPlaceholder($p,$_GET[$p]);
        $where['topic_price:>=']= $_GET[$p];
    }
}
$p = 'price_to';
if(isset($_GET[$p])){
    if($_GET[$p]!=''){
        $modx->setPlaceholder($p,$_GET[$p]);
        $where['topic_price:<=']= $_GET[$p];
    }
}
return json_encode($where);