chamilo-lms2/main/exercice/GC.php

<?php
/* For licensing terms, see /license.txt */
/**
 *    Code library for HotPotatoes integration.
 * @package chamilo.exercise
 * @author Istvan Mandak
 * @version $Id: GC.php 20451 2009-05-10 12:02:22Z ivantcholakov $
 */
/**
 * Code
 */
// usage:  HotPotGC($_configuration['root_sys'],$flag);
// working recursively, flag[0,1] print or delete the HotPotatoes temp files (.t.html)

echo "Garbage Collector<BR>";
HotPotGC(api_get_path(SYS_PATH), 1, 1);
/**
 * Garbage collector caller function
 */
function HotPotGC($root_sys, $flag, $userID)
{
    // flag[0,1] - print or delete the HotPotatoes temp files (.t.html)
    $documentPath = $root_sys."courses";
    HotPotGCt($documentPath, $flag, $userID);
}

/**
 * Garbage collector
 */
function HotPotGCt($folder, $flag, $userID)
{ // Garbage Collector
    $filelist = array();
    if ($dir = @opendir($folder)) {
        while (($file = readdir($dir)) !== false) {
            if ($file != ".") {
                if ($file != "..") {
                    $full_name = $folder."/".$file;
                    if (is_dir($full_name)) {
                        HotPotGCt($folder."/".$file, $flag);
                    } else {
                        $filelist[] = $file;
                    }
                }
            }
        }
        closedir($dir);
    }
    while (list ($key, $val) = each($filelist)) {
        if (stristr($val, $userID.".t.html")) {
            if ($flag == 1) {
                FileManager::my_delete($folder."/".$val);
            } else {
                echo $folder."/".$val."<br />";
            }
        }
    }
}