Form Filter Data

<form id="formFilter" name="formFilter" class="form-horizontal">
                            <div class="form-body">
                                <div class="input-group">
                                    <input type="text" class="form-control date-picker" name="dari" placeholder="Dari" data-date-format="dd-mm-yyyy" value="<?=date('01-m-Y', strtotime("-90 day", strtotime(date("Y-m-d"))));?>" autocomplete="off">
                                    <span class="input-group-addon"><b>s/d</b></span>
                                    <input type="text" class="form-control date-picker" name="sampai" placeholder="Sampai" value="<?=date('d-m-Y');?>" data-date-format="dd-mm-yyyy" autocomplete="off">
                                </div>
                                <h4 class="form-section">Jenis Komoditas</h4>
                                <div class="checkbox-list">
                                    <?php
                                    foreach ($listJenis as $r) {
                                        $jenis_id = $r->jenis_id;
                                    ?>
                                    <label>
                                        <input type="hidden" name="id[]" value="<?=$jenis_id;?>"/>
                                        <input type="checkbox" name="chkJenis[<?=$jenis_id;?>]" class="class_chk" value="1" checked> <img src="<?=base_url('img/jenis_folder/' . $r->jenis_icon);?>" width="10%" height="10%"> <?=ucwords(strtolower($r->jenis_name));?>
                                    </label>
                                    <?php
                                    }
                                    ?>
                                </div>
                            </div>
                            <div class="form-actions" align="center">
                                <button type="submit" class="btn btn-success"><i class="fa fa-search"></i> Filter</button>
                            </div>
                        </form>