public function getAlias($alias)
    {
        return isset($this->_aliases[$alias]) ? $this->_aliases[$alias] : $alias;
    }
public function getAlias($alias)
    {
        return isset($this->_aliases[$alias]) ? $this->_aliases[$alias] : $alias;
    }
public function getAlias ( $ alias ) { return isset ( $ this -> _aliases [ $ alias ] ) ? $ this -> _aliases [ $ alias ] : $ alias ; }
Returns the real type of a alias.

@param $alias
@return string The real type name
Returns the real type of a alias .