摘要： <?phpHeader("Content-type: image/PNG"); //初始化$border = 1; //是否要边框 1要:0不要$how = 5; //验证码位数$w = $how*13; //图片宽度$h = 20; //图片高度$fontsize = 5; //字体大小$array="0123456789"; //随机字符$seccode = ""; //验证码字符串初始化srand((double)microtime()*1000000); //初始化随机数种子$im = ImageCreate($w, $ 阅读全文