-
-
/**
- * 功能：随机显示图片
- * Filename : img.php
- * Usage:
- *
- *
- * Edit: bbs.it-home.org
- **/
- if($_GET['folder']){
- $folder=$_GET['folder'];
- }else{
- $folder='/images/';
- }
- //存放图片文件的位置
- $path = $_SERVER['DOCUMENT_ROOT']."/".$folder;
- $files=array();
- if ($handle=opendir("$path")) {
- while(false !== ($file = readdir($handle))) {
- if ($file != "." && $file != "..") {
- if(substr($file,-3)=='gif' || substr($file,-3)=='jpg') $files[count($files)] = $file;
- }
- }
- }
- closedir($handle);
-
- $random=rand(0,count($files)-1);
- if(substr($files[$random],-3)=='gif') header("Content-type: image/gif");
- elseif(substr($files[$random],-3)=='jpg') header("Content-type: image/jpeg");
- readfile("$path/$files[$random]");
- ?>
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