php代码常用的语法



print_r($brand[$i]['parentid'])数组打印。
print_r($brand);
 select * from car_brand  where parentid="5630bcfb0f5cb321";   
id = empty($_GET['id']) ? '' : trim($_GET['id']);
echo $id;
 <div class="am-accordion-content">汽车类型：<!--&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp-->
              <select name="cartype" data-am-selected="{btnSize: 'xs', btnStyle: 'success', btnWidth: '180'}">
                <option value="轿车">轿车</option>
                <option value="商务车">商务车</option>
                <option value="越野车">越野车</option>
                <option value="SUV">SUV</option>
                <option value="房车">房车</option>
              </select>
            </div>
<!--&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp-->空格
  alert(file.url);打印出括号内内容