PHP实现适用于自定义的验证码类

本文实例为大家分享了PHP验证码类，利用对象来实现的验证码类，供大家参考，具体内容如下 <?php /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ Class Image{ private $img; public $width = 85; public $height