Laravel\Envoy\TaskContainer::replaceSubTasks PHP Method

    protected function replaceSubTasks()
    {
        foreach ($this->tasks as $name => &$script) {
            $callback = function ($m) {
                return $m[1] . $this->tasks[$m[2]];
            };
            $script = $this->trimSpaces(preg_replace_callback("/(\\s*)@run\\('(.*)'\\)/", $callback, $script));
        }
    }