How to hide path download in php

藏色散人
Release: 2023-03-09 08:04:01
Original
2115 people have browsed it

How to implement hidden path download in php: 1. Hide the actual file download address through the "download_document" method; 2. Hide the actual file download through the "if (file_exists($file)) {...}" method address.

How to hide path download in php

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php method to hide the actual file download address

The article mainly introduces the method of hiding the actual file download address in PHP, involving the related usage skills of the header and file_get_contents methods in PHP. It is of great practical value. Friends in need can refer to the following:

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);
}
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Implementation method two:

<?php
$file = "1.txt";// 文件的真实地址(支持url,不过不建议用url)
if (file_exists($file)) {
  header(&#39;Content-Description: File Transfer&#39;);
  header(&#39;Content-Type: application/octet-stream&#39;);
  header(&#39;Content-Disposition: attachment; filename=&#39;.basename($file));
  header(&#39;Content-Transfer-Encoding: binary&#39;);
  header(&#39;Expires: 0&#39;);
  header(&#39;Cache-Control: must-revalidate, post-check=0, pre-check=0&#39;);
  header(&#39;Pragma: public&#39;);
  header(&#39;Content-Length: &#39; . filesize($file));
  ob_clean();
  flush();
  readfile($file);
  exit;
}
?>
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