php 强制下载文件实现代码

复制代码 代码如下:

$file = ‘monkey.gif’;

if (file_exists($file)) {
    header(‘Content-Description: File Transfer’);
    header(‘Content-Type: application/octet-stream’);
    header(‘Content-Disposition: attachment;
filename=’.basename($file));
    header(‘Content-Transfer-Encoding: binary’);
    header(‘Expires: 0’);
    header(‘Cache-Control: must-revalidate, post-check=0,
pre-check=0’);
    header(‘Pragma: public’);
    header(‘Content-Length: ‘ . filesize($file));
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    flush();
    readfile($file);
    exit;
}
?>
?

header(“Content-Type: application/force-download”);
header(“Content-Disposition: attachment; filename=ins.jpg”); 
readfile(“imgs/test_Zoom.jpg”);
?>