modal not looping

<?php
    function Modal_Color(){
        global $conn;


       $get_color = "SELECT * FROM gallery2 WHERE number_='$number'";  /// $number is not defined here,but it is on the other funtion
      $run_color = mysqli_query($conn,$get_color);
      while ($rows = mysqli_fetch_assoc($run_color)){
      $id=$rows['id']   ;
      $color=$rows['image'] == '' ? '' : ' <div class="col-sm-3 col-md-3">

      <div class="thumbnail" >
      <h4 class="text-center"><span class="label label-info center-block" style="background-color:#CF000F;">Liso '.$number.'</span></h4>
      <a id="carousel-selector-0" ><img src="../'.$rows['image'].'" ></a>

     <div class="caption">
     <div class="row">

     <button type="button" class="btn btn-primary actions add btn-block " data-action="add"   product_id="'.$id.'"  ><i class="fa fa-cart-plus" aria-hidden="true"></i></span>&nbsp;Adicionar</button>
                        </div>

                    </div>


                </div>
            </div>';


            }


        $sql = "SELECT * FROM gallery2 WHERE liso = 1 ";
        $run = mysqli_query($conn,$sql);
        while ($rows = mysqli_fetch_assoc($run)){
        $vari = $rows['variante'];
        $num = $rows['title'];
        $isLiso = $rows['liso'];

        $id=$rows['id'];
        if($vari< 1){
        $dash="";
         $vari="";
        }else{
         $dash="-";
        $vari = $rows['variante'];
            }

       $dashcol="-";
      $variI = $rows['variante'];
      $number=$num.$dashcol.$variI;

      echo '<div class="modal fade" id="lisos'.$number.'" role="dialog">

     <div class="modal-dialog modal-xl">
     <div class="modal-content">
     <div class="modal-header">

    <div class="btn-group pull-right">
    <button type="button" class="btn btn-default pull-right" data-dismiss="modal" aria-hidden="true">×</button>
    </div>

         <h3 class="modal-title">'.$num.''.$dash.''.$vari.'</h3>


        </div>
        <div class="modal-body">
        <div class="col-md-12">

             '.$color.' ///////// i am trying to loop this


        </div>


        <div class="clearfix"></div>


        </div>
        </div><!-- /.modal-content -->

        </div><!-- /.modal-dialog--->

        </div><!-- /.modal ending  -->

';}

    }





?>