Backend\Modules\Groups\Actions\Edit::bundleActions PHP Method

    private function bundleActions()
    {
        foreach ($this->modules as $module) {
            // loop through actions and add all classnames
            foreach ($this->actions[$module['value']] as $key => $action) {
                // ajax action?
                if (class_exists('Backend\\Modules\\' . $module['value'] . '\\Ajax\\' . $action['value'])) {
                    // create reflection class
                    $reflection = new \ReflectionClass('Backend\\Modules\\' . $module['value'] . '\\Ajax\\' . $action['value']);
                } else {
                    // no ajax action? create reflection class
                    $reflection = new \ReflectionClass('Backend\\Modules\\' . $module['value'] . '\\Actions\\' . $action['value']);
                }
                // get the tag offset
                $offset = mb_strpos($reflection->getDocComment(), ACTION_GROUP_TAG) + mb_strlen(ACTION_GROUP_TAG);
                // no tag present? move on!
                if (!($offset - mb_strlen(ACTION_GROUP_TAG))) {
                    continue;
                }
                // get the group info
                $groupInfo = trim(mb_substr($reflection->getDocComment(), $offset, mb_strpos($reflection->getDocComment(), '*', $offset) - $offset));
                // get name and description
                $bits = explode("\t", $groupInfo);
                // delete empty values
                foreach ($bits as $i => $bit) {
                    if (empty($bit)) {
                        unset($bits[$i]);
                    }
                }
                // add group to actions
                $this->actions[$module['value']][$key]['group'] = $bits[0];
                // add group to array
                $this->actionGroups[$bits[0]] = end($bits);
            }
        }
    }