PHP code example of eristemena / dialogflow-fulfillment-webhook-php

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

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

    

eristemena / dialogflow-fulfillment-webhook-php example snippets

use Dialogflow\WebhookClient;

$agent = new WebhookClient(json_decode(file_get_contents('php://input'),true));

// or

$agent = WebhookClient::fromData($_POST);

$agent = \Dialogflow\WebhookClient::fromData($request->json()->all());

$intent = $agent->getIntent();

$action = $agent->getAction();

$query = $agent->getQuery();

$parameters = $agent->getParameters();

$session = $agent->getSession();

$contexts = $agent->getContexts();

$language = $agent->getLocale();

$originalRequest = $agent->getRequestSource();

$originalRequest = $agent->getOriginalRequest();

$agentVersion = $agent->getAgentVersion();

$agent->reply('Hi, how can I help?');

header('Content-type: application/json');
echo json_encode($agent->render());

return response()->json($agent->render());

$text = \Dialogflow\RichMessage\Text::create()
    ->text('This is text')
    ->ssml('<speak>This is <say-as interpret-as="characters">ssml</say-as></speak>')
;
$agent->reply($text);

$image = \Dialogflow\RichMessage\Image::create('https://www.example.com/image.png');
$agent->reply($image);

$card = \Dialogflow\RichMessage\Card::create()
    ->title('This is title')
    ->text('this is text body')
    ->image('https://www.example.com/image.png')
    ->button('This is a button', 'https://docs.dialogflow.com/')
;
$agent->reply($card);

$suggestion = \Dialogflow\RichMessage\Suggestion::create(['Suggestion one', 'Suggestion two']);
$agent->reply($suggestion);

if ($agent->getRequestSource()=='google') {
    $agent->reply(\Dialogflow\RichMessage\Payload::create([
        'expectUserResponse' => false
    ]));
}

if ($agent->getRequestSource()=='google') {
    $conv = $agent->getActionConversation();
    
    // here you can use the rest of Actions on Google responses and helpers
    
    $agent->reply($conv);
}

$conv = $agent->getActionConversation();

if ($conv) {
	// here you can use the rest of Actions on Google responses and helpers
} else {
	// the request does not come from Google Assistant
}

$conv->close('Have a nice day!');

$conv->ask('Hi, how can I help?');

use Dialogflow\Action\Responses\SimpleResponse;

$conv->ask(SimpleResponse::create()
     ->displayText('Hello, how can i help?')
     ->ssml('<speak>Hello,<break time="0.5s"/> <prosody rate="slow">how can i help?</prosody></speak>')
);

use Dialogflow\Action\Responses\Image;

$conv->close(Image::create('https://picsum.photos/400/300'));

use Dialogflow\Action\Responses\BasicCard;

$conv->close(BasicCard::create()
    ->title('This is a title')
    ->formattedText('This is a subtitle')
    ->image('https://picsum.photos/400/300')
    ->button('This is a button', 'https://docs.dialogflow.com/')
);

use Dialogflow\Action\Questions\ListCard;
use Dialogflow\Action\Questions\ListCard\Option;

$conv->ask('Please choose below');

$conv->ask(ListCard::create()
    ->title('This is a title')
    ->addOption(Option::create()
        ->key('OPTION_1')
        ->title('Option 1')
        ->synonyms(['option one','one'])
        ->description('Select option 1')
        ->image('https://picsum.photos/48/48')
    )
    ->addOption(Option::create()
        ->key('OPTION_2')
        ->title('Option 2')
        ->synonyms(['option two','two'])
        ->description('Select option 2')
        ->image('https://picsum.photos/48/48')
    )
);

if ('Get Option'==$agent->getIntent()) {
    $conv = $agent->getActionConversation();
    $option = $conv->getArguments()->get('OPTION');

    switch ($option) {
        case 'OPTION_1':
            $conv->close('You choose option 1');
            break;
        
        case 'OPTION_2':
            $conv->close('You choose option 2');
            break;
        
        default:
            $conv->close('Sorry, i do not understand');
            break;
    }
}

use Dialogflow\Action\Questions\Carousel;
use Dialogflow\Action\Questions\Carousel\Option;

$conv->ask('Please choose below');

$conv->ask(
    Carousel::create()
    ->Option(
        Option::create()
        ->key('OPTION_1')
        ->title('Option 1')
        ->synonyms(['option one', 'one'])
        ->description('Select option 1')
        ->image('https://picsum.photos/300/300')
    )
    ->Option(
        Option::create()
        ->key('OPTION_2')
        ->title('Option 2')
        ->synonyms(['option two', 'two'])
        ->description('Select option 2')
        ->image('https://picsum.photos/300/300')
    )
    ->Option(
        Option::create()
        ->key('OPTION_3')
        ->title('Option 3')
        ->synonyms(['option three', 'three'])
        ->description('Select option 3')
        ->image('https://picsum.photos/300/300')
    )
    ->Option(
        Option::create()
        ->key('OPTION_4')
        ->title('Option 4')
        ->synonyms(['option four', 'four'])
        ->description('Select option 4')
        ->image('https://picsum.photos/300/300')
    )
);

if ('Get Option'==$agent->getIntent()) {
    $conv = $agent->getActionConversation();
    $option = $conv->getArguments()->get('OPTION');

    switch ($option) {
        case 'OPTION_1':
            $conv->close('You choose option 1');
            break;

        case 'OPTION_2':
            $conv->close('You choose option 2');
            break;

        case 'OPTION_3':
            $conv->close('You choose option 3');
            break;

        case 'OPTION_4':
            $conv->close('You choose option 4');
            break;

        default:
            $conv->close('Sorry, i do not understand');
            break;
    }
}

use Dialogflow\Action\Responses\BrowseCarousel;
use Dialogflow\Action\Responses\BrowseCarousel\Option;

$conv->ask('Please choose below');

$conv->ask(
    BrowseCarousel::create()
    ->imageDisplayOptions('CROPPED')
    ->addOption(
        Option::create()
        ->title('Title of item 1')
        ->description('Description of item 1')
        ->footer('Item 1 footer')
        ->url('http://www.example.com')
        ->image('https://picsum.photos/300/300')
    )
    ->addOption(
        Option::create()
        ->title('Title of item 2')
        ->description('Description of item 2')
        ->footer('Item 2 footer')
        ->url('http://www.example.com')
        ->image('https://picsum.photos/300/300')
    )
    ->addOption(
        Option::create()
        ->title('Title of item 3')
        ->description('Description of item 3')
        ->footer('Item 3 footer')
        ->url('http://www.example.com')
        ->image('https://picsum.photos/300/300')
    )
    ->addOption(
        Option::create()
        ->title('Title of item 4')
        ->description('Description of item 4')
        ->footer('Item 4 footer')
        ->url('http://www.example.com')
        ->image('https://picsum.photos/300/300')
    )
);

use Dialogflow\Action\Responses\LinkOutSuggestion;
use Dialogflow\Action\Responses\Suggestions;

$conv->ask('Please choose');
$conv->ask(new Suggestions(['Suggestion 1', 'Suggestion 2']));
$conv->ask(new Suggestions('Suggestion 3'));
$conv->ask(new LinkOutSuggestion('Website', 'http://www.example.com'));

use Dialogflow\Action\Responses\MediaObject;
use Dialogflow\Action\Responses\MediaResponse;
use Dialogflow\Action\Responses\Suggestions;

$conv->ask('Here you go');
$conv->ask(
    new MediaResponse(
        MediaObject::create('http://storage.googleapis.com/automotive-media/Jazz_In_Paris.mp3')
        ->name('Jazz in Paris')
        ->description('A funky Jazz tune')
        ->icon('http://storage.googleapis.com/automotive-media/album_art.jpg')
        ->image('http://storage.googleapis.com/automotive-media/album_art.jpg')
    )
);
$conv->ask(new Suggestions(['Pause', 'Stop', 'Start over']));

use Dialogflow\Action\Questions\Permission;

$conv->ask(Permission::create('To address you by name and know your location', ['NAME', 'DEVICE_PRECISE_LOCATION']));

if ('Get Permission'==$agent->getIntent()) {
    $conv = $agent->getActionConversation();
    $approved = $conv->getArguments()->get('PERMISSION');

    if ($approved) {
        $name = $conv->getUser()->getName()->getDisplay();
        $latlng = $conv->getDevice()->getLocation()->getCoordinates();
        $lat = $latlng->getLatitude();
        $lng = $latlng->getLongitude();

        $conv->close('Got it, your name is ' . $name . ' and your coordinates are ' . $lat . ', ' . $lng);
    } else {
        $conv->close('Never mind then');
    }
}

use Dialogflow\Action\Questions\DateTime;

$conv->ask(new DateTime('When do you want to come in?', 'What is the best date to schedule your appointment?', 'What time of day works best for you?'));

if ('Get Date Time'==$agent->getIntent()) {
    $conv = $agent->getActionConversation();
    $date = $conv->getArguments()->get('DATETIME');

    if ($date) {
        $conv->close('Ok, got it, i will see you at ' . $date->format('r'));
    } else {
        $conv->close('Never mind then');
    }
}

use Dialogflow\Action\Questions\Place;

$conv->ask(new Place('Where do you want to have lunch?', 'To find lunch locations'));

if ('Get Place'==$agent->getIntent()) {
    $conv = $agent->getActionConversation();
    $place = $conv->getArguments()->get('PLACE');

    if ($place) {
        $conv->close('Ok, got it, we\'ll meet at ' . $place->getFormattedAddress());
    } else {
        $conv->close('Never mind then');
    }
}

use Dialogflow\Action\Questions\Confirmation;

$conv->ask(new Confirmation('Can you confirm?'));

if ('Get Confirmation'==$agent->getIntent()) {
    $conv = $agent->getActionConversation();
    $confirmed = $conv->getArguments()->get('CONFIRMATION');

    if ($confirmed) {
        $conv->close('Ok, it is confirmed');
    } else {
        $conv->close('Alright then, it is canceled');
    }
}

$surface = $conv->getSurface();

if ($surface->hasScreen()) {
    // surface has screen
} elseif ($surface->hasAudio()) {
    // surface has audio
} elseif ($surface->hasMediaPlayback()) {
    // surface can play audio
} elseif ($surface->hasWebBrowser()) {
    // user can interact with the content in a web browser
}