protected function buildLevel($classname)
    {
        $parts = explode('.', $classname);
        
        $lastLevel = &$this->methods;
        foreach ($parts as $part) {
            $lastLevel[$part] = array();
            $lastLevel = &$lastLevel[$part];
        }
        
        return $lastLevel;
    }
protected function buildLevel($classname)
    {
        $parts = explode('.', $classname);
        
        $lastLevel = &$this->methods;
        foreach ($parts as $part) {
            $lastLevel[$part] = array();
            $lastLevel = &$lastLevel[$part];
        }
        
        return $lastLevel;
    }
protected function buildLevel ( $ classname ) { $ parts = explode ( '.' , $ classname ) ; $ lastLevel = & $ this -> methods ; foreach ( $ parts as $ part ) { $ lastLevel [ $ part ] = array ( ) ; $ lastLevel = & $ lastLevel [ $ part ] ; } return $ lastLevel ; }
This method is still in development.

@todo implement the method toArrayTree()
@param string $classname
@return string
This method is still in development .