PHP code example of tusharkhan / chatbot

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

tusharkhan / chatbot example snippets

TusharKhan\Chatbot\Core\Bot;
use TusharKhan\Chatbot\Drivers\WebDriver;
use TusharKhan\Chatbot\Storage\FileStore;

// Initialize bot
$driver = new WebDriver();
$storage = new FileStore(__DIR__ . '/storage');
$bot = new Bot($driver, $storage);

// Add message handlers
$bot->hears('hello', function($context) {
    return 'Hello! How can I help you?';
});

$bot->hears('my name is {name}', function($context) {
    $name = $context->getParam('name');
    $context->getConversation()->set('name', $name);
    return "Nice to meet you, $name!";
});

// Set fallback handler
$bot->fallback(function($context) {
    return "I don't understand. Try saying 'hello'.";
});

// Listen for messages
$bot->listen();

// Output responses
$driver->outputJson(); // For AJAX
// or $driver->outputHtml(); // For form submissions

use TusharKhan\Chatbot\Core\Bot;
use TusharKhan\Chatbot\Drivers\TelegramDriver;
use TusharKhan\Chatbot\Storage\FileStore;

// Configuration
$botToken = $_ENV['TELEGRAM_BOT_TOKEN'] ?? 'your-telegram-bot-token-here';

// Initialize bot
$driver = new TelegramDriver($botToken);
$storage = new FileStore(__DIR__ . '/storage');
$bot = new Bot($driver, $storage);

// Handle /start command
$bot->hears(['/start', 'start'], function($context) {
    $name = $context->getData()['from']['first_name'] ?? 'there';
    return "Welcome to our bot, $name! 🤖\n\nType /help to see what I can do.";
});

// Handle /help command
$bot->hears(['/help', 'help'], function($context) {
    return "🤖 *Bot Commands:*\n\n• /start - Start the bot\n• /help - Show this help\n• order - Start food ordering";
});

// Start food ordering
$bot->hears(['order', '/order'], function($context) {
    $context->getConversation()->setState('ordering_category');
    return "🍽️ *Food Ordering*\n\nWhat would you like?\n• Pizza 🍕\n• Burger 🍔\n• Salad 🥗";
});

$bot->listen();

use TusharKhan\Chatbot\Core\Bot;
use TusharKhan\Chatbot\Drivers\SlackDriver;
use TusharKhan\Chatbot\Storage\FileStore;

// Configuration
$botToken = $_ENV['SLACK_BOT_TOKEN'] ?? 'xoxb-your-bot-token-here';
$signingSecret = $_ENV['SLACK_SIGNING_SECRET'] ?? 'your-signing-secret-here';

// Initialize bot
$driver = new SlackDriver($botToken, $signingSecret);
$storage = new FileStore(__DIR__ . '/storage');
$bot = new Bot($driver, $storage);

$bot->hears('hello', function($context) {
    return 'Hello! 👋 How can I help you today?';
});

// Handle slash commands
$bot->hears('/weather {city}', function($context) {
    $city = $context->getParam('city');
    return "Weather for {$city}: 22°C, Sunny ☀️";
});

$bot->listen();

$bot->hears('hello', $handler);

$bot->hears('hello*', $handler); // Matches "hello world", "hello there", etc.

$bot->hears('my name is {name}', function($context) {
    $name = $context->getParam('name');
    return "Hello, $name!";
});

$bot->hears(['hello', 'hi', 'hey'], $handler);

$bot->hears('/^\d+$/', $handler); // Matches numbers only

$bot->hears(function($message) {
    return strpos($message, 'urgent') !== false;
}, $handler);

// Start a conversation flow
$bot->hears('order pizza', function($context) {
    $context->getConversation()->setState('ordering');
    return 'What size pizza? (small/medium/large)';
});

// Handle the next step
$bot->hears(['small', 'medium', 'large'], function($context) {
    $conversation = $context->getConversation();
    
    if ($conversation->isInState('ordering')) {
        $size = $context->getMessage();
        $conversation->set('pizza_size', $size);
        $conversation->setState('toppings');
        return "Great! What toppings for your $size pizza?";
    }
});

// Continue the flow...
$bot->hears('*', function($context) {
    $conversation = $context->getConversation();
    
    if ($conversation->isInState('toppings')) {
        $toppings = $context->getMessage();
        $size = $conversation->get('pizza_size');
        
        $conversation->clear(); // End conversation
        return "Order confirmed: $size pizza with $toppings!";
    }
});

// Logging middleware
$bot->middleware(function($context) {
    error_log("Message: " . $context->getMessage());
    return true; // Continue processing
});

// Authentication middleware
$bot->middleware(function($context) {
    $userId = $context->getSenderId();
    if (!isUserAuthenticated($userId)) {
        $context->getDriver()->sendMessage('Please login first');
        return false; // Stop processing
    }
    return true;
});

use TusharKhan\Chatbot\Storage\FileStore;

$storage = new FileStore('/path/to/storage/directory');
$bot = new Bot($driver, $storage);

use TusharKhan\Chatbot\Storage\ArrayStore;

$storage = new ArrayStore();
$bot = new Bot($driver, $storage);

use TusharKhan\Chatbot\Contracts\StorageInterface;

class DatabaseStore implements StorageInterface
{
    public function store(string $key, array $data): bool { /* ... */ }
    public function retrieve(string $key): ?array { /* ... */ }
    public function exists(string $key): bool { /* ... */ }
    public function delete(string $key): bool { /* ... */ }
}

// In a Laravel Controller
use TusharKhan\Chatbot\Core\Bot;
use TusharKhan\Chatbot\Drivers\WebDriver;

class ChatbotController extends Controller
{
    public function handle(Request $request)
    {
        $bot = new Bot(new WebDriver(), new FileStore(storage_path('chatbot')));
        
        $bot->hears('hello', function($context) {
            return 'Hello from Laravel!';
        });
        
        $bot->listen();
        
        return response()->json([
            'responses' => $bot->getDriver()->getResponses()
        ]);
    }
}

// For AJAX requests
if (!empty($_SERVER['HTTP_X_REQUESTED_WITH'])) {
    $driver->outputJson();
} else {
    $driver->outputHtml();
}

use TusharKhan\Chatbot\Contracts\DriverInterface;

class CustomDriver implements DriverInterface
{
    public function getMessage(): ?string { /* ... */ }
    public function getSenderId(): ?string { /* ... */ }
    public function sendMessage(string $message, ?string $senderId = null): bool { /* ... */ }
    public function getData(): array { /* ... */ }
    public function hasMessage(): bool { /* ... */ }
}

$bot->middleware(function($context) {
    try {
        return true;
    } catch (Exception $e) {
        error_log('Chatbot error: ' . $e->getMessage());
        $context->getDriver()->sendMessage('Sorry, something went wrong.');
        return false;
    }
});