Add/ Delete users from channels with API
require 'vendor/autoload.php';
use \Gnello\Mattermost\Driver;
$container = new \Pimple\Container([ "driver" => [ "url" => "https://your-mattermost-url.com", "login_id" => "email@domain.com", "password" => "Password1", ] ]);
$driver = new Driver($container); $driver->authenticate();
$teamID = "zWEyrTZ7GZ22aBSfoX60iWryTY"; $userID = "NqCSr5HMDZjrWS74IEmedvlOYf";
$resp = $driver->getTeamModel()->removeUser($teamID, $userID);
if ($resp->getStatusCode() == 200) { $ok = json_decode($resp->getBody())->status; }