[namez]

echo json_encode ( $myArray );

Спасибо вам. А не подскажете как в цикле сделать option'ы?

Данные теперь такие:

{"558":"\u0411\u0430\u0431\u0430\u0435\u0432\u043e","559":"\u0411\u0435\u043b\u043e\u0437\u0435\u0440\u0441\u043a","560":"\u0412\u0435\u043b\u0438\u043a\u0438\u0439 \u0423\u0441\u0442\u044e\u0433","561":"\u0412\u0435\u0440\u0445\u043e\u0432\u0430\u0436\u044c\u0435","562":"\u0412\u043e\u0436\u0435\u0433\u0430","563":"\u0412\u043e\u043b\u043e\u0433\u0434\u0430","564":"\u0412\u043e\u0445\u0442\u043e\u0433\u0430","565":"\u0412\u044b\u0442\u0435\u0433\u0440\u0430","566":"\u0413\u0440\u044f\u0437\u043e\u0432\u0435\u0446","567":"\u041a\u0430\u0434\u043d\u0438\u043a\u043e\u0432","568":"\u041a\u0430\u0434\u0443\u0439","569":"\u041a\u0438\u0447\u043c\u0435\u043d\u0433\u0441\u043a\u0438\u0439 \u0413\u043e\u0440\u043e\u0434\u043e\u043a","570":"\u041b\u0438\u043f\u0438\u043d \u0411\u043e\u0440","571":"\u041d\u0438\u043a\u043e\u043b\u044c\u0441\u043a","572":"\u041d\u044e\u043a\u0441\u0435\u043d\u0438\u0446\u0430","573":"\u0421\u043e\u043a\u043e\u043b","574":"\u0421\u044f\u043c\u0436\u0430","575":"\u0422\u0430\u0440\u043d\u043e\u0433\u0441\u043a\u0438\u0439 \u0413\u043e\u0440\u043e\u0434\u043e\u043a","576":"\u0422\u043e\u0442\u044c\u043c\u0430","577":"\u0423\u0441\u0442\u044e\u0436\u043d\u0430","578":"\u0425\u0430\u0440\u043e\u0432\u0441\u043a","579":"\u0427\u0430\u0433\u043e\u0434\u0430","580":"\u0427\u0435\u0440\u0435\u043f\u043e\u0432\u0435\u0446","581":"\u0428\u0435\u043a\u0441\u043d\u0430","582":"\u0428\u0443\u0439\u0441\u043a\u043e\u0435"}

$('.setCity').change(function()
{
   
   var shop_location_id = $(this).val();

   $.ajax({
          type: "GET",
          url: "/address/",
          data: "action=city&shop_location_id="+ shop_location_id,
          success: function(res){

          var options = '';

         // вот здесь нужно в цикле построить option'ы
         // пример: <option value = "173">Санкт-Петербург</option>

          }
        });

});