PHP header()的7种用法

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header('Location:'.$url);  //Location和":"之间无空格。

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header('content-type:text/html;charset=utf-8');

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header('HTTP/1.1 404 Not Found');

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header('Refresh: 10; url=http://www.baidu.com/');  //10s后跳转。

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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT"); header("Cache-Control: no-cache, must-revalidate"); header("Pragma: no-cache");

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header('HTTP/1.1 401 Unauthorized'); header('WWW-Authenticate: Basic realm="Top Secret"');

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header('Content-Type: application/octet-stream'); //设置内容类型 header('Content-Disposition: attachment; filename="example.zip"'); //设置MIME用户作为附件 header('Content-Transfer-Encoding: binary'); //设置传输方式 header('Content-Length: '.filesize('example.zip')); //设置内容长度