think\Route::group PHP Метод

    public static function group($name, $routes, $option = [], $pattern = [])
    {
        if (is_array($name)) {
            $option = $name;
            $name = isset($option['name']) ? $option['name'] : '';
        }
        // 分组
        $currentGroup = self::getGroup('name');
        if ($currentGroup) {
            $name = $currentGroup . ($name ? '/' . ltrim($name, '/') : '');
        }
        if (!empty($name)) {
            if ($routes instanceof \Closure) {
                $currentOption = self::getGroup('option');
                $currentPattern = self::getGroup('pattern');
                self::setGroup($name, array_merge($currentOption, $option), array_merge($currentPattern, $pattern));
                call_user_func_array($routes, []);
                self::setGroup($currentGroup, $currentOption, $currentPattern);
                if ($currentGroup != $name) {
                    self::$rules['*'][$name]['route'] = '';
                    self::$rules['*'][$name]['var'] = self::parseVar($name);
                    self::$rules['*'][$name]['option'] = $option;
                    self::$rules['*'][$name]['pattern'] = $pattern;
                }
            } else {
                $item = [];
                foreach ($routes as $key => $val) {
                    if (is_numeric($key)) {
                        $key = array_shift($val);
                    }
                    if (is_array($val)) {
                        $route = $val[0];
                        $option1 = array_merge($option, isset($val[1]) ? $val[1] : []);
                        $pattern1 = array_merge($pattern, isset($val[2]) ? $val[2] : []);
                    } else {
                        $route = $val;
                    }
                    $options = isset($option1) ? $option1 : $option;
                    $patterns = isset($pattern1) ? $pattern1 : $pattern;
                    if ('$' == substr($key, -1, 1)) {
                        // 是否完整匹配
                        $options['complete_match'] = true;
                        $key = substr($key, 0, -1);
                    }
                    $vars = self::parseVar($key);
                    $item[] = ['rule' => $key, 'route' => $route, 'var' => $vars, 'option' => $options, 'pattern' => $patterns];
                    // 设置路由标识
                    self::name($route, [$name . '/' . $key, $vars, self::$domain]);
                }
                self::$rules['*'][$name] = ['rule' => $item, 'route' => '', 'var' => [], 'option' => $option, 'pattern' => $pattern];
            }
            foreach (['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'HEAD', 'OPTIONS'] as $method) {
                if (!isset(self::$rules[$method][$name])) {
                    self::$rules[$method][$name] = true;
                } elseif (is_array(self::$rules[$method][$name])) {
                    self::$rules[$method][$name] = array_merge(self::$rules['*'][$name], self::$rules[$method][$name]);
                }
            }
        } elseif ($routes instanceof \Closure) {
            // 闭包注册
            $currentOption = self::getGroup('option');
            $currentPattern = self::getGroup('pattern');
            self::setGroup('', array_merge($currentOption, $option), array_merge($currentPattern, $pattern));
            call_user_func_array($routes, []);
            self::setGroup($currentGroup, $currentOption, $currentPattern);
        } else {
            // 批量注册路由
            self::rule($routes, '', '*', $option, $pattern);
        }
    }

 public function testCheckRouteGroup()
 {
     Route::pattern(['id' => '\\d+', 'name' => '\\w{6,25}']);
     Route::group('group', [':id' => 'index/hello', ':name' => 'index/say']);
     $this->assertEquals(false, Route::check('empty/think'));
     $this->assertEquals(['type' => 'module', 'module' => [null, 'index', 'say']], Route::check('group/think'));
     $this->assertEquals(['type' => 'module', 'module' => [null, 'index', 'hello']], Route::check('group/10'));
     $this->assertEquals(['type' => 'module', 'module' => [null, 'index', 'say']], Route::check('group/thinkphp'));
 }