Das PHP Script Verzeichnis
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// Define the folder to clean
// (keep trailing slashes)
$captchaFolder = 'temp/';
 
// Filetypes to check (you can also use *.*)
$fileTypes = '*.jpg';
 
// Here you can define after how many
// minutes the files should get deleted
$expire_time = 20;
 
// Find all files of the given file type
foreach (glob($captchaFolder . $fileTypes) as $Filename) {
 
// Read file creation time
$FileCreationTime = filectime($Filename);
 
// Calculate file age in seconds
$FileAge = time() - $FileCreationTime;
 
// Is the file older than the given time span?
if ($FileAge > ($expire_time * 60)){
 
// Now do something with the olders files...
 
print "The file $Filename is older than $expire_time minutesn";
 
// For example deleting files:
//unlink($Filename);
}
 
}[/php]
Quelle: Jonasjohn