chamilo / chamilo-lms

     *

     * @return void

     */

    public function install_course_fields_in_all_courses($add_tool_link = true)

    {

        // Update existing courses to add plugin settings

        $t_courses = Database::get_main_table(TABLE_MAIN_COURSE);

        $sql = "SELECT id FROM $t_courses ORDER BY id";

        $res = Database::query($sql);

        while ($row = Database::fetch_assoc($res)) {

            $this->install_course_fields($row['id'], $add_tool_link);

        }

    }

    /**

     * Uninstall the plugin settings fields from all courses

     * Uninstall the plugin settings fields from all courses

     * @return void

     */

    public function uninstall_course_fields_in_all_courses()

    {

        // Update existing courses to add conference settings

        $t_courses = Database::get_main_table(TABLE_MAIN_COURSE);

        $sql = "SELECT id FROM $t_courses

                ORDER BY id";

        $res = Database::query($sql);

        while ($row = Database::fetch_assoc($res)) {

            $this->uninstall_course_fields($row['id']);

        }

    }

    /**

     * @return array