function code_bird(){
        // require codebird
require_once('codebird.php');

CodebirdCodebird::setConsumerKey("ConsumerKey", "ConsumerSecret");
$cb = CodebirdCodebird::getInstance();
$cb->setToken("AccessToken", "Access Secret");

$params = array(
  'status' => 'test'
);
$reply = $cb->statuses_update($params);
}

<?php code_bird(); ?>