求助，浏览器中无法显示图片，而且未生成图片

Question

文件1 <?php     class image{         // 图片信息变量         private $image;         // 内存中的图片         private $info;                  public function _construct($src)         {             $info=getimagesize($src);             $this->info=array(             'width'=>$info[0],             'height'=>$info[1],             'type'=>image_type_to_extension($info[2],false),             'mime'=>$info['mime']             );             $fun="imagecreatefrom{$this->info['type']}";             $this->image=$fun($src);         }         //change         public function thumb($width,$height)         {             $image_thumb=imagecreatetruecolor($width,$height);             imagecopyresampled($image_thumb,$this->image,0,0,0,0,$width,$height,$this->info['width'],$this->info['height']);             imagedestroy($this->image);             $this->image=$image_thumb;         }         //display         public function show()         {         ob_clean();         header("Content-type:".$this->$info['mime']);         $funs="image{$this->info['type']}";         $funs($this->image);         }         //save         public function save($newname)         {             $funs="image{$this->info['type']}";             $funs($this->image,$newname.'.'.$this->info['type']);         }                  public function _destruct()         {             imagedestroy($this->image);         }     } ?> 文件二 <?php     require "image.class.php";     $src='001.jpg';     $image=new Image($src);     $image->thumb(300,150);     $image->show();      ?>

Answer 1

三个错误。

1，构造函数__construct两个下划线;

2，$this->$this->info['mime']; $this后面怎么能跟$呢?

3，save方法都没有调用怎么执行？