随机头像PHP版
2018-09-07 12:06
阅读：582
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],-3)==gif)header(Content-type:image/gif);
elseif(substr($files[$random],-3)==jpg)header(Content-type:image/jpeg);
readfile($url/$files[$random]);
?>
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