PHP function to return HTML to embed a tweet like publish.x.com would

embed_tweet_html.php

<?php
/**
 * Returns HTML to embed a tweet like publish.x.com would
 */
function embed_tweet_html(string $tweet_url) : ?string {
    // Encode the tweet URL for the query parameter
    $encoded_url = urlencode($tweet_url);

    // Construct the oEmbed API URL
    $api_url = "https://publish.twitter.com/oembed?url=" . $encoded_url;

    // Use cURL to make the GET request
    $ch = curl_init($api_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, false);

    $response = curl_exec($ch);
    curl_close($ch);

    // Check if the response is valid
    if ($response === false) {
        return null; // or throw an error
    }

    // Decode the JSON response
    $data = json_decode($response, true);

    // Check if 'html' key exists
    if (isset($data['html'])) {
        return $data['html'];
    } else {
        return null; // or throw an error
    }
}