How to hide download address in php

php method to hide the download address: use the header method in PHP, the code is [header("Cache-Control: must-revalidate, post-check=0, pre-check=0");].

php method to hide the download address:

php method to hide the actual file download address involves the header and Relevant usage skills of file_get_contents method

Implementation method one:

function download_document($filename,$path="",$mimetype="application/octet-stream")
{
 header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 header("Content-Disposition: attachment; filename = $filename");
 header("Content-Length: " . filesize($pathto . $filename));
 header("Content-Type: $mimetype");
 echo file_get_contents($pathto . $filename);
}

Implementation method two:

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