chamilo / chamilo-lms

        $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);

        $tbl_student_publication = Database::get_course_table(TABLE_STUDENT_PUBLICATION);

        if (is_array($student_id)) {

            $studentList = array_map('intval', $student_id);

            $conditions[] = " ip.insert_user_id IN ('".implode("','", $studentList)."') ";

        } else {

            $student_id = intval($student_id);

            $conditions[] = " ip.insert_user_id = '$student_id' ";

        }

        if (isset($session_id)) {

            $session_id = intval($session_id);

            $conditions[] = " pub.session_id = $session_id ";

        $tbl_forum = Database::get_course_table(TABLE_FORUM);

        $conditions = array();

        if (is_array($student_id)) {

            $studentList = array_map('intval', $student_id);

            $conditions[] = " post.poster_id IN ('".implode("','", $studentList)."') ";

        } else {

            $student_id = intval($student_id);

            $conditions[] = " post.poster_id = '$student_id' ";

        }

        $conditionsToString = implode('AND ', $conditions);