Laravel\Envoy\TaskContainer::getTask PHP Method

    public function getTask($task, array $macroOptions = [])
    {
        $script = array_get($this->tasks, $task, '');
        if ($script == '') {
            throw new \Exception(sprintf('Task "%s" is not defined.', $task));
        }
        $options = array_merge($this->getTaskOptions($task), $macroOptions);
        $parallel = array_get($options, 'parallel', false);
        $confirm = array_get($options, 'confirm', null);
        return new Task($this->getServers($options), $options['as'], $script, $parallel, $confirm);
    }

 /**
  * Run the given task out of the container.
  *
  * @param  \Laravel\Envoy\TaskContainer  $container
  * @param  string  $task
  * @return void
  */
 protected function runTask($container, $task)
 {
     $confirm = $container->getTask($task)->confirm;
     if ($confirm && !$this->confirmTaskWithUser($task, $confirm)) {
         return;
     }
     if (($exitCode = $this->runTaskOverSSH($container->getTask($task))) > 0) {
         foreach ($container->getErrorCallbacks() as $callback) {
             call_user_func($callback, $task);
         }
         return $exitCode;
     }
     foreach ($container->getAfterCallbacks() as $callback) {
         call_user_func($callback, $task);
     }
 }