PHP koala_group_course::get_extensions示例

<?php

include_once "../../etc/koala.conf.php";
$portal = lms_portal::get_instance();
$portal->initialize(GUEST_NOT_ALLOWED);
$user = lms_steam::get_current_user();
if (!lms_steam::is_koala_admin($user)) {
    header("location:/");
    exit;
}
$search_extension = "exam_organization";
$result = array();
$courses = lms_steam::semester_get_courses(lms_steam::get_current_semester()->get_id());
foreach ($courses as $course) {
    $koala_course = new koala_group_course(steam_factory::get_object($GLOBALS["STEAM"]->get_id(), $course["OBJ_ID"]));
    $extensions = $koala_course->get_extensions();
    foreach ($extensions as $extension) {
        if ($extension->get_name() == $search_extension) {
            $result[] = $course;
        }
    }
}
//var_dump($result);
$html = <<<END
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>koaLA Admin - find big files</title>
<style type="text/css">
* {margin:0; padding:0; outline:0}