chamilo-lms/public/main/plagiarism/compilatio/compilatio_ajax.php

<?php
/* For licensing terms, see /license.txt */

require_once '../../inc/global.inc.php';

api_protect_course_script();

if (isset($_GET['workid'])) {
    $workIdList = $_GET['workid'];    // list of workid separate by the :
    $workList = explode('a', $workIdList);
    $compilatio = new Compilatio();
    $result = '';
    foreach ($workList as $workId) {
        if (!empty($workId)) {
            $result .= $compilatio->giveWorkIdState($workId);
        }
    }
    echo $result;
}