随机头像PHP版

1.31字节PHP随机显示头像?readfile(rand(0,5).’.jpg’);?2.?php$url=’pic’;//图片地址,用相对路径$files=array();if($handle=opendir(“$url”)){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]澳门新葡亰网站注册,,-3)==’gif’)header(“Content-type:image/gif”);elseif(substr($files[$random],-3)==’jpg’)header(“Content-type:image/jpeg”);readfile(“$url/$files[$random]”);?