Thinkphp3.2 practice of generating multiple thumbnails

tp3.2 uses the thumb method to generate multiple thumbnails
$upload = new ThinkUpload(); // Instantiate the upload class<br>          $upload->maxSize                                                                                                                                       $ Upload-& GT; Exts = Array ('jpg', 'gif', 'png', 'jpeg') "./Public/Admin/Uploads/"; //Set the attachment upload directory//Upload files<br> $upload ->autoSub = true;<br>          $upload ->subName = array('date','Ymd');<br> //Set upload file rules<br>            $upload->saveRule                                                                                                                                $info = $upload->uploadOne($_FILES['photo']);<br>            if(!$info) {<br>                             // Upload error message <br>                   $this->error($upload->getError());<br>            }else {<br>                                                                                                                                                           // Uploaded successfully, obtained the uploaded file information <br>               $img = $info['savepath'] . $info['savename'];<br>              $image = new ThinkImage();<br>              $BinImg = $upload->rootPath . "$img"; // Get the absolute path of the original image <br>               $image->open($BinImg); // Open the original image<br>                               // Add watermark <br>                               // $image ->water($upload->rootPath."logo.png")-> save($upload ->rootPath.$img);<br>                              // Generate a <br> // $image ->thumb(278,206,2); // Set width, height and thumbnail type<br> <br>                       // Set thumbnail width, height, prefix <br>               $thumb = array(<br>                                                                             array('w'                                                 array('w'                                                                                                                                                                     2 = & gt; Array ('w' = & gt; 178, 'h' = & gt; 106, 'n' = & gt; '178x106 _') <br> );<br> foreach ($thumb as $k => $v){<br>                    $image->thumb($v['w'],$v['h'], 2); // Set width, height and thumbnail type <br>                                                                                                                                                                           $smallimg[$k]= $info['savepath'] . "$v[n]" . $info['savename'];<br> <br>                      $image->save($upload->rootPath . $smallimg[$k]);<br>                $_POST['small'.$k] = $smallimg[$k];<br>             }<br>             $_POST['goods_img'] = $img;<br>          <br>         }<br>         var_dump($_POST);exit;