YouTube Transcript API for PHP

<?php
require 'vendor/autoload.php';

use GuzzleHttp\Client;

$client = new Client();
$apiKey = getenv('YT_TRANSCRIPTS_API_KEY');

$response = $client->get('https://api.youtubetranscripts.co/v1/transcript', [
    'query' => [
        'url' => 'https://www.youtube.com/watch?v=dQw4w9WgXcQ',
    ],
    'headers' => [
        'x-api-key' => $apiKey,
    ],
]);

$data = json_decode($response->getBody(), true);

echo "Title: " . $data['title'] . "\n";
echo "Channel: " . $data['channel'] . "\n";

foreach ($data['transcript'] as $segment) {
    printf("[%.1fs] %s\n", $segment['start'], $segment['text']);
}