<?php
header('Content-Type: application/json');

$action = $_POST['action'] ?? $_GET['action'] ?? '';

switch ($action) {
  case 'saveStats':
    // Save to database or session/file
    echo json_encode(['status' => 'success']);
    break;

  case 'loadStats':
    echo json_encode([
      'bankroll' => 1000,
      'wins' => 12,
      'losses' => 8,
      // ... other stats
    ]);
    break;

  default:
    echo json_encode(['error' => 'Invalid action']);
}