if (isset($_POST['submit'])) {    foreach($_FILES['product_img']['error'] as $k=>$v){     if ($v == UPLOAD_ERR_OK) {      $sql ='product_img'.($k+1);      $tmp_name = $_FILES['product_img']['tmp_name'][$k];      $file_name = $_FILES['product_img']['name'][$k];      $file_type = $_FILES['product_img']['type'][$k];      $upload_name = getPath('../Public/Upload').time().'_'.$file_name;      @move_uploaded_file($tmp_name,$upload_name);      $map[$sql] = $file_name;      print_r($map);      exit;     }    }   }