<?php
function getAllFiles($directory, $recursive = true ) {
    $result = array();
    $handle =  opendir($directory);
    while ($datei = readdir($handle))
    {
        if (($datei != '.') && ($datei != '..'))
        {
            $file = $directory.$datei;
            if (is_dir($file)) {
                if ($recursive) {
                    $result = array_merge($result, getAllFiles($file.'/'));
                }
            } else {
                $result[] = $file;
            }
        }
    }
    closedir($handle);
    return $result;
}

function getFilesTimestamp($directory, $recursive = true) {
    $allFiles  = getAllFiles($directory, $recursive);
    $fileArray = array ();
    foreach ($allFiles as $val) {
	    $timeResult['file']      = $val;
	    $timeResult['timestamp'] = filemtime($val);
        $fileArray[] = $timeResult;
    }
    return $fileArray;
}

$currentTime = strtotime("now");
$timeDifference = 72*60*60;
$limitTime = $currentTime - $timeDifference;
$sessionsPath = PATH_DATA.'session'.PATH_SEP;
$filesResult = getFilesTimestamp($sessionsPath);
$count = 0;

foreach ($filesResult as $file){
  if ( $file['timestamp'] < $limitTime ){
    unlink ($file['file']);
    $count++;
  }
}

if ($count>0) {
  $response['message'] = G::loadTranslation('ID_REMOVED_SESSION_FILES');
} else {
  $response['message'] = G::loadTranslation('ID_NO_OLDER_SESSION_FILES');
}

echo $response['message'];
?>