} function get_all_color_group() { $sql = "SELECT * FROM tbl_color ORDER BY color_order ASC"; $query = $this->conn->query($sql); $row = array(); while ($result = $query->fetch_object()) { array_push($row, $result); } return $row; } } $_ajax = new AJAX(); $i = filter_var($_POST["i"], FILTER_SANITIZE_STRING); $data = $_POST["data"]; $all_color_group = $_ajax->get_all_color_group(); ?> <ul class="form-set" id="type_group_<?php echo $i; ?> " style="margin-bottom:15px; min-height:600px;"> <li class="form-group row hidden" id="lbl_color_id_<?php echo $i; ?> "> <label class="col-xs-3 control-label" for="color">Type Group *</label> <div class="col-xs-9"> <select class="form-control" id="color_id_<?php echo $i;