php-headers

<?php 



header('HTTP/1.1 200 OK');  // ok 正常访问
header('HTTP/1.1 404 Not Found'); //通知浏览器 页面不存在
header('HTTP/1.1 301 Moved Permanently'); //设置地址被永久的重定向 301
header('Location: http://www.ruonu.com/'); //跳转到一个新的地址
header('Refresh: 10; url=http://www.ruonu.com/'); //延迟转向 也就是隔几秒跳转
header('X-Powered-By: PHP/6.0.0'); //修改 X-Powered-By信息
header('Content-language: en'); //文档语言
header('Content-Length: 1234'); //设置内容长度
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT'); //告诉浏览器最后一次修改时间
header('HTTP/1.1 304 Not Modified'); //告诉浏览器文档内容没有发生改变
 
###内容类型### 
header('Content-Type: text/html; charset=utf-8'); //网页编码 
header('Content-Type: text/plain'); //纯文本格式 
header('Content-Type: image/jpeg'); //JPG、JPEG  
header('Content-Type: application/zip'); // ZIP文件 
header('Content-Type: application/pdf'); // PDF文件 
header('Content-Type: audio/mpeg'); // 音频文件  
header('Content-type: text/css'); //css文件
header('Content-type: text/javascript'); //js文件
header('Content-type: application/json');  //json
header('Content-type: application/pdf'); //pdf 
header('Content-type: text/xml');  //xml
header('Content-Type: application/x-shockw**e-flash'); //Flash动画 
 
######