union-php/vendor/volcengine/volc-sdk-php/examples/Vod/DemoPublish.php

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

use Volc\Service\Vod\Models\Request\VodUpdateMediaPublishStatusRequest;
use Volc\Service\Vod\Models\Response\VodUpdateMediaPublishStatusResponse;
use Volc\Service\Vod\Vod;

$client = Vod::getInstance();
// call below method if you dont set ak and sk in ～/.vcloud/config
// $client->setAccessKey("");
// $client->setSecretKey("");

$vid = "vid";
$status = "Published";

echo "\n修改发布状态\n";

$req = new VodUpdateMediaPublishStatusRequest();
$req->setVid($vid);
$req->setStatus($status);
$response = new VodUpdateMediaPublishStatusResponse();
try {
    $response = $client->updateMediaPublishStatus($req);
} catch (Throwable $e) {
    print($e);
}

if ($response->getResponseMetadata()->getError() != null) {
    print_r($response->getResponseMetadata()->getError());
}

echo $response->serializeToJsonString();