prepare($sql); $stmt->bind_param("i", $student_id); $stmt->execute(); $result = $stmt->get_result(); if ($result->num_rows == 0) { die("LEI not calculated yet"); } $data = $result->fetch_assoc(); $total_lei = $data['total_lei']; $level = $data['lei_level']; $consistency = $data['consistency_score']; $attempts = $data['attempt_score']; $improvement = $data['improvement_score']; $style = $data['style_match_score']; ?>