filter using jquery range slider in codeigniter php not working

function filterProducts(minPrice, maxPrice) {

  var myCheckboxes = new Array();
  $("input[name='types[]']:checked").each(function() {
    myCheckboxes.push($(this).val());
  });

  var myCheckboxes1 = new Array();
  $("input[name='istyles[]']:checked").each(function() {
    myCheckboxes1.push($(this).val());
  });

  var myCheckboxes17 = new Array();
  $("input[name='ocs[]']:checked").each(function() {
    myCheckboxes17.push($(this).val());
  });

  $.ajax({
    url: '<?php echo base_url()?>homecontroller/filterpt',
    type: 'POST',
    data: {
      id: <?=$idz?>,
      types: myCheckboxes,
      istyles: myCheckboxes1,
      mstones: myCheckboxes2,
      ocs: myCheckboxes17,
      minPrice: minPrice,
      maxPrice: maxPrice
    },
    error: function() {
      alert('Something is wrong');
    },
    success: function(data) {
      var count = $('.myth').length;

      $('#marble').html(data);
      $('#count').html(count);
    }
  });
}

$(document).ready(function() {
  $('[name="types[]"], [name="istyles[]"], [name="ocs[]"]').click(function() {
    filterProducts(0, 0);
  });


});



$(function() {
  $("#slider-range").slider({
    range: true,
    min: 0,
    max: 200000,
    values: [0, 200000],
    slide: function(event, ui) {
      $("#amount").val("₹" + ui.values[0] + " - ₹" + ui.values[1]);


      filterProducts(ui.values[0], ui.values[1]);

    }
  });
  $("#amount").val("₹" + $("#slider-range").slider("values", 0) +
    " - ₹" + $("#slider-range").slider("values", 1));
});

 public function filterpt() {
        $types=$this->input->post('types');
        $istyles=$this->input->post('istyles');
        $ocs=$this->input->post('ocs');
        $id=$this->input->post('id');
          $min=$this->input->post('minPrice');
    $max=$this->input->post('maxPrice');
       
      
      
          $data = $this->product->filterpt($types,$istyles,$ocs,$id,$min,$max);

  function filterpt($types,$istyles,$ocs,$id,$min,$max)
      {

       
            $this->db->where('types', $id);
            $this->db->where("status", "Active");
         


if($min >0 || $max >0)
        {
            $this->db->where('jrp >= ',$min);
            $this->db->where('jrp <= ',$max);
        }
        if(isset($istyles)){
          $this->db->where_in('istyles', $istyles);
          }
          
          }