https://github.com/YasuhiroYoshida/tweet-search/blob/master/src/Acme/TweetBundle/Controller/DefaultController.php

DefaultController.php

<?php
// src/Acme/TweetBundle/Controller/DefaultController.php
namespace Acme\TweetBundle\Controller;
use Symfony\Component\ClassLoader\UniversalClassLoader;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Themattharris\TmhOAuth;
use Acme\TweetBundle\Entity\SearchWord;
use Acme\TweetBundle\Entity\Makeover;
use Acme\TweetBundle\Form\Type\TweetSearchType;
use Symfony\Component\HttpFoundation\Request;

class DefaultController extends Controller
{

  public function __construct() 
  {
    // Obtain access to an OAuth 1.0A library written by @themattharris
 //   require_once "Themattharris/TmhOAuth.php";
  }

  public function indexAction(Request $request)
  {
    // Create an entity that is going to take care of a search word
    $searchWord = new SearchWord();
    $searchWord->setSearchWord('Enter a search word');
      
    // Create a form object
    $form = $this->createForm(new TweetSearchType(), $searchWord);

    // This will eventually refers to fetched tweets
    $tweets = array();
     

    // When a search word is submitted, it's a POST method that is used
    // And when proven valid, it will trigger communication with Twitter Search API
    if ($request->getMethod() == 'POST') {
      $form->bindRequest($request);

      if ($form->isValid()) {
        // Obtain access to an OAuth 1.0A library written by @themattharris
        // Send a query upon successful authentication 
        $twitter = new TmhOAuth(array("host" => "search.twitter.com"));
        $twitter->request("GET", $twitter->url("search"), 
            array("q" => $form->get('search_word')->getData(),));
      
        // Receive + decode results from Twitter 
        $results = json_decode($twitter->response["response"])->{"results"};
      
        // Have the results processed so that the representation will be more suitable for the view 
        $makeover = new Makeover();
        $tweets = $makeover->stackTweets($results);
      }
    }
    

    // Give the representation to the View 
    return $this->render(
        'AcmeTweetBundle:Default:index.html.twig', 
        array('form' => $form->createView(), 'tweets' => $tweets,));
    
  }

}

I completely forgot why I put this code here. Possibly, the repo was private back then, but I was asked to show part of it to somebody outside...🤔