How to solve the problem of garbled Chinese files downloaded by PHP

Solutions to garbled Chinese files downloaded from php: 1. Change the page encoding to utf8; 2. Urlencode the Chinese URL and detect it based on UA ​​to achieve differentiated downloads.

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PHP Header download file has Chinese garbled name in IE file name Problem

Introduction: There are two common ways to solve the problem of Chinese garbled characters in IE file names when downloading PHP Header files. One is to change the page encoding to utf8, and the other is to enter urlencode encoding for the Chinese URL. , according to UA detection, different downloads can be solved $filename = "Chinese.

To solve the Chinese garbled file name of PHP Header downloaded file in IE, there are two common problems. One is to change the page encoding to utf8, the other is to enter urlencode encoding for Chinese URLs. According to UA detection, different downloads can be solved.

$filename = "中文.txt";
$ua = $_SERVER["HTTP_USER_AGENT"];
$encoded_filename = urlencode($filename);
$encoded_filename = str_replace("+", "%20", $encoded_filename);
header('Content-Type: application/octet-stream');
if (preg_match("/MSIE/", $ua)) {
    header('Content-Disposition: attachment; filename="' . $encoded_filename . '"');
} else if (preg_match("/Firefox/", $ua)) {
    header('Content-Disposition: attachment; filename*="utf8''' . $filename . '"');
} else {
    header('Content-Disposition: attachment; filename="' . $filename . '"');
}

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