public function latestAds()
 {
     $data = array();
     $db = $this->common_model->db;
     $db->select("*");
     $db->from(ADVERTISE);
     $db->limit(10);
     $db->order_by("ad_created_date", "desc");
     $query = $db->get();
     $data = $query->result_array();
     foreach ($data as $k => $v) {
         $data[$k]['ad_image'] = image(advertise_img_path() . $v['ad_image'], 'square');
     }
     echo json_encode($data);
     exit;
 }
                    <div class="form-group">
                        <label>Image:</label>
                        <input type="file" placeholder="ad image" class="validate[required]" name="ad_image" id="ad_image" value="<?php 
echo @$advertise[0]->ad_image;
?>
">
                    </div>
					
					<?php 
if ($advertise[0]->ad_image != "") {
    ?>
					<div class="form-group clearfix">
						<label></label>
						<div class="col-sm-7">
							<p><img class='newimg' src='<?php 
    echo advertise_img_path() . @$advertise[0]->ad_image;
    ?>
'></p>
						</div>
					</div>
					<?php 
}
?>

                    <div class="form-group">
                        <label>Link:</label>
                        <input type="text" placeholder="Advertise link" class="form-control validate[required]" name="ad_link" id="ad_link" value="<?php 
echo @$advertise[0]->ad_link;
?>
">
                    </div>