<?php/*//下载$filename = ‘av.zip‘;// 设置类型：可以省略// header("content-type:image/jpeg");//设置文件为附件header("content-disposition:attachment;filename=".$filename);//文件大小header("content-length:".readfile($filename));//输出下载readfile($filename);*///$gd = gd_info();$gdinfo = $gd["GD Version"];echo $gdinfo;$pattern = ‘/\(((.*?)\w[a-zA-Z]{1,})\)/‘;preg_match($pattern,$gdinfo,$arr);echo $arr[2];//$copy = $arr[1];//echo $copy;