php常用的header：301,302, Redirects, 404, Javascript, Download, Authentication，编码等设置小结

301永久跳转

<?php header('HTTP/1.1 301 Moved Permanently');header('Location: http://www.example.com');die();?> 

302临时重定向跳转

<?php header('Location: http://www.example.com');die();?> 

404 Page Not Found:

<?php header('HTTP/1.1 404 Not Found');?> 

Service not avaliable:

<?php header('HTTP/1.1 503 Service Temporarily Unavailable');header('Status: 503 Service Temporarily Unavailable');header('Retry-After: 60');?> 

CSS样式文件:

<?phpheader('Content-Type: text/css');?> 

Javascript header脚本:

<?php header('Content-Type: application/javascript');?> 

Images图片输出:

For JPEG(jpg): <?php header('Content-Type: image/jpeg');?> For PNG: <?php header('Content-Type: image/png');?> For BMP: <?php header('Content-Type: image/bmp');?> 

PDF文件 (output pdf with php):

<?php header('Content-Type: application/pdf');echo file_get_contents('filename.pdf');?> 

缓存Cache (force browsers not to cache files):

<?php header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');header('Cache-Control: no-store, no-cache, must-revalidate');header('Cache-Control: pre-check=0, post-check=0, max-age=0');header ('Pragma: no-cache'); ?> 

Download dialog下载对话框:

<?php header('Content-Disposition: attachment; filename=' . urlencode($f));   header('Content-Type: application/force-download');header('Content-Type: application/octet-stream');header('Content-Type: application/download');header('Content-Description: File Transfer');            header('Content-Length: ' . filesize($f));echo file_get_contents($f);?> 

Authentication安全验证 (force the browser to pop up a Username/Password input window) – only available when PHP i~来1源gaodai#ma#com搞*代#码1网搞代gaodaima码s running as an Apache module:

<?phpif (!isset($_SERVER['PHP_AUTH_USER'])) {    header('WWW-Authenticate: Basic realm="The Realm"');    header('HTTP/1.0 401 Unauthorized');    echo 'If cancel is pressed this text shows';    die();} else {//always escape your data//$user='user';$pass='pass';   if($_SERVER['PHP_AUTH_USER']==$user && $_SERVER['PHP_AUTH_PW']==$pass){    echo 'Authorized';}}?>

php header编码

header("Content-type: text/html; charset=utf-8"); 

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