How to implement live broadcast with php code

PHP code needs to use the API of the video streaming service provider to implement live broadcast. The method is: 1. Create a Twitch account and register a developer account from "https://dev.twitch.tv/" to obtain API key; 2. Install and introduce request-related libraries into the PHP code; 3. According to the Twitch API documentation, write an "HTTP POST" request to obtain the "Stream Key ID"; 4. Use video live broadcast software and set up RTMP push streaming address, and then push the live stream.

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

To implement the live broadcast function in PHP, you can use the API of the video streaming service provider. Among them, common providers include Twitch, Wowza, and Amazon Cloud. Take using the Twitch API as an example:

1. First, you need to create a Twitch account, register a developer account from https://dev.twitch.tv/, and obtain the API key.

2. Install and introduce request-related libraries. For example, use the GuzzleHttp library:

require_once 'vendor/autoload.php';
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;

3. According to the Twitch API documentation, write an HTTP POST request to obtain the Stream Key ID, which identifies the account and channel you want to start live broadcasting.

$client = new Client([
    'base_uri' => 'https://api.twitch.tv/',
]);
try {
    $response = $client->request('POST', 'kraken/streams/', [
        'headers' => [
            'Accept' => 'application/vnd.twitchtv.v5+json',
            'Client-ID' => 'MY_CLIENT_ID',
            'Authorization' => 'OAuth MY_ACCESS_TOKEN',
        ],
        'form_params' => [
            'channel[status]' => '正在直播',
        ],
    ]);
    // 获取 JSON 响应。
    $stream = json_decode($response->getBody()->getContents());
    $stream_key_id = $stream->stream_key->id;
} catch (RequestException $e) {
    echo $e->getMessage();
}

4. Use video live streaming software for live streaming. Set the RTMP push address in the live broadcast software to "twitch.tv/app/$stream_key_id"

$stream_key_url = "rtmp://live.twitch.tv/app/$stream_key_id";

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