Whether you’re building a social media tool, automating tweeting directly from your PHP application, scheduling tweets, or just experimenting with APIs, Twitter makes it possible through its developer platform.

In this tutorial, you’ll learn how to post tweets and images on Twitter using TwitterOAuth, a popular PHP library that simplifies working with the Twitter API. We’ll guide you step by step — from setting up your Twitter Developer account to sending your first tweet programmatically.

I am using TwitterOAuth because it is straightforward and well documented.

Prerequisites: What You Need Before You Start

1. Twitter Account

2. Twitter App

3. Twitter API Library

1. How to create a Twitter App

To use the Twitter API library, you need to create a Twitter App. Don’t worry if you haven’t created one yet — we’ll guide you through it.

But before that, make sure you have a Twitter account. If you don’t have one, just sign up — it’s quick and easy!

Step 1: For Twitter App, you’ll need to go to the Twitter Developer Portal. If it takes you to the twitter login page, just login to proceed.

Step 2: You will need to create a project and generate your API Key, API Secret, Access Token, and Access Token Secret. Press the “Create New App” button.

Step 3: Fill out the “Create an application” form with the required details, then click the “Create your Twitter application” button to continue.

Step 4: Navigate to the “Permissions” tab and set the access level to “Read and Write”. After that, click the “Update Settings” button to save the changes.

Step 5: Go to the “Keys and Access Tokens” tab and click the “Create my access token” button. This will generate your access token.

Step 6: From “keys and Access Tokens” tab, you can find your required credentials like API Key, API Secret, Access Token, and Access Token Secret. Do not share it with anyone.

After creating Twitter App, you will get a Consumer Key (API Key), a Consumer Secret (API Secret), an Access Token and an Access Token Secret. These credentials is must to communicate between your app and the API, so do not share them with anyone.

2. Install Abraham/TwitterOAuth in your project

To use this library in your project, you need to install it. The easiest way to install the library is via Composer, but you can also download it manually and place it in your project folder. You can also follow the full installation steps in the official TwitterOAuth documentation.

Install the package via composer, run:

composer require abraham/twitteroauth

Inlcude the TwitterOAuth class in your PHP file.

require "vendor/autoload.php";

use Abraham\TwitterOAuth\TwitterOAuth;

Start making API requests.

$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $access_token, $access_token_secret);
$content = $connection->get("account/verify_credentials");

3. How to Post Tweets and Images on Twitter with PHP

Step 1: Add your Twitter API credentials to your project’s configuration file so you can access them easily in your code.

define('CONSUMER_KEY','YOUR_CONSUMER_KEY');
define('CONSUMER_SECRET','YOUR_CONSUMER_SECRET');
define('OAUTH_TOKEN','YOUR_AUTH_TOKEN');
define('OAUTH_SECRET','YOUR_AUTH_TOKEN_SECRET');
define('SCREEN_NAME','YOUR_PROJECT_NAME');

Step 2: Then, create an instance of the TwitterOAuth class to access Twitter API functions.

require("config.php");
require("vendor/autoload.php");

use Abraham\TwitterOAuth\TwitterOAuth;

$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, OAUTH_TOKEN, OAUTH_SECRET);
$content = $connection->get("account/verify_credentials");

Step 3: If you only want to post a tweet to your own Twitter account, use the following API request.

$statues = $connection->post("statuses/update", ["status" => "hello world"]);

Step 4: Similarly, use the following code if you want to post a tweet with an image.

require("config.php");
require("vendor/autoload.php");

use Abraham\TwitterOAuth\TwitterOAuth;

$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, OAUTH_TOKEN, OAUTH_SECRET);
$media1 = $connection->upload('media/upload', ['media' => '/path/to/file/kitten1.jpg']);
$media2 = $connection->upload('media/upload', ['media' => '/path/to/file/kitten2.jpg']);
$parameters = [
    'status' => 'Hello Word with Images!',
    'media_ids' => implode(',', [$media1->media_id_string, $media2->media_id_string])
];
$result = $connection->post('statuses/update', $parameters);

Hope this was helpful.

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