file upload in php

<div class="form-group">
<label class="control-label col-md-3">Image </label>
<div class="col-md-9">
<input type="file" name="fileToUpload" multiple="">
</div>
</div>   

$target_dir = "img/";
  $target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
     $uploadOk = 1;
       $imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
            $new_filename = $target_dir . uniqid() . '.' . $imageFileType;
 if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $new_filename))
                        {   
                            $filee = $new_filename;
                        }

$filee is to be inserted in table.
select folder at $target_dir.