这个跳转页面的代码，在本地集成环境下能用，上传到虚拟主机就报错

Question

<?php
header("location: http://www.sina.com.cn");
?>

这是报错的内容：
Warning: Cannot modify header information - headers already sent by (output started at /data/home/qxu2149940371/htdocs/index.php:1) in /data/home/qxu2149940371/htdocs/index.php on line 2

Answer 1

http://jingyan.baidu.com/article/6dad5075f0d967a123e36ea8.html