How to hide the actual download address of a file in php-PHP Tutorial-php.cn

How to hide the actual download address of a file in php

墨辰丷

Release： 2023-03-31 15:14:02

Original

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This article mainly introduces the file download method of hiding the actual 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

Examples of this article php method to hide the actual address of file download. Share it with everyone for your reference. The details are as follows:

The following php code does not reveal the actual file download address.

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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