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PHP header函数的详细用法介绍

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Release: 2016-06-13 11:09:25
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我们今天要为大家介绍的是有关

// PHP header函数向浏览器发送404 状态码
header(“HTTP/1.1 404 Not Found”);
或者
header(“HTTP/1.1 404″);

// PHP header函数永久重定向
header(“Location: http://weizhifeng.net/”);//默认是301 跳转
// 临时重定向
header(“HTTP/1.1 302 Found”);
header(“Location: http://weizhifeng.net/”);


// PHP header函数下载文件
header(“Content-type: text/plain’); // 可以替换成你需要的MIME类型
header(‘Content-Disposition: attachment; filename=”weizhifeng.txt”‘);
readfile(‘weizhifeng.txt’);


其他的头信息可以参考HTTP/1.1 specification
如果在PHP header函数之前已经有了输出,那么请使用ob_start()函数。
 


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