Google Cloud Dialogflow for PHP

Idiomatic PHP client for Google Cloud Dialogflow.

Latest Stable Version Packagist

NOTE: This repository is part of Google Cloud PHP. Any support requests, bug reports, or development contributions should be directed to that project.

Dialogflow Enterprise Edition is the enterprise tier of Dialogflow which is a natural language understanding platform that makes it easy for you to design and integrate a conversational user interface into your mobile app, web application, device, bot, and so on. Using Dialogflow you can provide users new and engaging ways to interact with your product using both voice recognition and text input.


To begin, install the preferred dependency manager for PHP, Composer.

Now install this component:

$ composer require google/cloud-dialogflow

This component supports both REST over HTTP/1.1 and gRPC. In order to take advantage of the benefits offered by gRPC (such as streaming methods) please see our gRPC installation guide.


Please see our Authentication guide for more information on authenticating your client. Once authenticated, you'll be ready to start making requests.


require 'vendor/autoload.php';

use Google\Cloud\Dialogflow\V2\EntityTypesClient;

$entityTypesClient = new EntityTypesClient();
$projectId = '[MY_PROJECT_ID]';
$entityTypeId = '[ENTITY_TYPE_ID]';
$formattedEntityTypeName = $entityTypesClient->entityTypeName($projectId, $entityTypeId);

$entityType = $entityTypesClient->getEntityType($formattedEntityTypeName);
foreach ($entityType->getEntities() as $entity) {
    printf('Entity value: %s' . PHP_EOL, $entity->getValue());
    print('Synonyms: ');
    foreach ($entity->getSynonyms() as $synonym) {
        print($synonym . "\t");


This component is considered GA (generally available). As such, it will not introduce backwards-incompatible changes in any minor or patch releases. We will address issues and requests with the highest priority.

Next Steps

  1. Understand the official documentation.
  2. Take a look at in-depth usage samples.