<form?enctype="multipart/form-data"?action="3.php"?method="post">
???<input?type="hidden"?name="max_file_size"?value="30000"?/>????
???選擇文件：<input?type="file"?name="userfile"?/>
???<input?type="submit"?value="上傳文件"??name="buttom"/>
</form><?php?
header('Content-Type:text/html;charset=utf-8');
$example=substr($_FILES["userfile"]["name"],strrpos($_FILES["userfile"]["name"],".")+1);
$mydir="upfiles/".md5(time()).".".$example;
move_uploaded_file($_FILES["userfile"]["tmp_name"],$mydir);
?>
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