prepare($query); $stmt->bind_param("i", $user_id); $stmt->execute(); $result = $stmt->get_result(); $user = $result->fetch_assoc(); $employeeId = $_SESSION['user_id']; $success = ''; $error = ''; $today = date('Y-m-d'); // Get today's attendance $stmt = $conn->prepare("SELECT * FROM attendance WHERE employee_id = ? AND date = ?"); $stmt->bind_param("is", $employeeId, $today); $stmt->execute(); $result = $stmt->get_result(); $record = $result->fetch_assoc(); if ($_SERVER['REQUEST_METHOD'] === 'POST') { $action = $_POST['action'] ?? ''; $now = $_POST['client_time'] ?? null; // ← Use client system time if (!$now) { $error = "Client time not provided."; } else { if ($action === 'clock_in') { if ($record) { $error = "You have already clocked in."; } else { $insert = $conn->prepare("INSERT INTO attendance (employee_id, date, login_time) VALUES (?, ?, ?)"); $insert->bind_param("iss", $employeeId, $today, $now); $success = $insert->execute() ? "Clocked in at $now." : "Clock-in failed."; } } if ($action === 'clock_out') { if (!$record || $record['logout_time']) { $error = "You must clock in first or already clocked out."; } else { $login = strtotime($record['login_time']); $logout = strtotime($now); if ($logout <= $login) { $error = "Logout time can't be before login time."; } else { $hours = number_format(($logout - $login) / 3600, 2); $update = $conn->prepare("UPDATE attendance SET logout_time = ?, total_hours = ? WHERE id = ?"); $update->bind_param("sdi", $now, $hours, $record['id']); $success = $update->execute() ? "Clocked out at $now. Total: $hours hrs." : "Clock-out failed."; } } } } } ?> HR | Mark Attendance

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