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Delete temporary files

/ Published in: PHP
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This example shows how to delete specific files after a given time span.
This works good for cleaning cached files.

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  1. // Define the folder to clean
  2. // (keep trailing slashes)
  3. $captchaFolder  = 'temp/';
  4.  
  5. // Filetypes to check (you can also use *.*)
  6. $fileTypes      = '*.jpg';
  7.  
  8. // Here you can define after how many
  9. // minutes the files should get deleted
  10. $expire_time    = 20; 
  11.  
  12. // Find all files of the given file type
  13. foreach (glob($captchaFolder . $fileTypes) as $Filename) {
  14.  
  15.     // Read file creation time
  16.     $FileCreationTime = filectime($Filename);
  17.  
  18.     // Calculate file age in seconds
  19.     $FileAge = time() - $FileCreationTime; 
  20.  
  21.     // Is the file older than the given time span?
  22.     if ($FileAge > ($expire_time * 60)){
  23.  
  24.         // Now do something with the olders files...
  25.  
  26.         print "The file $Filename is older than $expire_time minutes\n";
  27.  
  28.         // For example deleting files:
  29.         //unlink($Filename);
  30.     }
  31.  
  32. }

URL: http://www.jonasjohn.de/snippets/php/delete-temporary-files.htm

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