PHP缩略图相册原型

<?php
/*
 * written by mot
 * 根目录下自己新建image thumb目录
 * */
class thumb{
    private $src;
    private $source;
    private $s_width;
    private $s_height;
    private $dest;
    private $d_height;
    private $d_width;
    private $name;
    
    public function thumb($image_path,$rate = 0.5){
       $this->src = $image_path;
       $this->source = imagecreatefromjpeg($image_path);
       $s_size = getimagesize($image_path);
       $this->s_height = $s_size[1];
       $this->s_width = $s_size[0];
       $this->d_height = 100;
       $this->d_width = 100;
       $this->dest = imagecreate($this->d_width, $this->d_height);
       $this->name = explode('.jpg', $image_path);
       $this->name = $this->name[0];
    }
    
    public function make(){
       imagecopyresized($this->dest, $this->source, 0, 0, 0, 0, $this->d_width, $this->d_height,
       $this->s_width, $this->s_height);
       $thumb = str_replace('image', 'thumb', $this->name.'-thumb.jpg');
       imagejpeg($this->dest,$thumb,100);
       $img = $thumb;
       echo "<a href=$this->src><img src=$img></a>";
    }
    

}

$hl = opendir(".\\image\\");
while(false != $file = readdir($hl)){
    if($file == '.' || $file == '..') continue;
    $path = '.\\image\\'.$file;
    $tmp = new thumb($path,0.3);
    $tmp->make();
}