rootDoc::functions PHP Метод

    function &functions()
    {
        $functions = array();
        $packages = $this->packages();
        // not by reference so as not to move the internal array pointer
        foreach ($packages as $name => $package) {
            $packageFunctions = $this->_packages[$name]->functions();
            // not by reference so as not to move the internal array pointer
            if ($packageFunctions) {
                foreach ($packageFunctions as $key => $pack) {
                    $functions[$name . '.' . $key] =& $packageFunctions[$key];
                }
            }
        }
        return $functions;
    }