Question 46901 in Debian Question posted in
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How Can I Delete Files Older Than 7 Days Using PHP? – Debian

I want to be able to delete all files in a directory that older than seven days old using only PHP. How can I do this? The server is using Debian Linux.

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2

Answers


  1. 0

    The 604800 is how many seconds are in a week.

    $path="whateverdir/";
(time()-filectime($path.$file)) > 604800;
unlink($path.$file);

    If you have more than one directory, you would have to do this for each directory.

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  2. 0

    A simple PHP function to delete files older than a given age. Very handy to rotate backup or log files, for example…

    <?php
/**
 * A simple function that uses mtime to delete files older than a given age (in seconds)
 * Very handy to rotate backup or log files, for example...
 * 
 * $dir String whhere the files are
 * $max_age Int in seconds
 * return String[] the list of deleted files
 */

 function delete_older_than($dir, $max_age) {
  $list = array();

  $limit = time() - $max_age;

  $dir = realpath($dir);

  if (!is_dir($dir)) {
     return;
  }

  $dh = opendir($dir);
  if ($dh === false) {
    return;
  }

  while (($file = readdir($dh)) !== false) {
     $file = $dir . '/' . $file;
     if (!is_file($file)) {
     continue;
  }

  if (filemtime($file) < $limit) {
      $list[] = $file;
      unlink($file);
  }

 }
 closedir($dh);
 return $list;

    }

    // An example of how to use:
$dir = "/my/backups";
$to = "[email protected]";

// Delete backups older than 7 days
$deleted = delete_older_than($dir, 3600*24*7);

$txt = "Deleted " . count($deleted) . " old backup(s):n" .
implode("n", $deleted);

mail($to, "Backups cleanup", $txt);
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